Hitachi MP-96RD625-01 manuale d’uso

MP-96RD625-01 Hit achi Universal S t orage Plat form V Hitachi Universal Replicator for IBM ® z/OS® User's Guide F AS T F IN D L IN K S Document Organization Product Version Getting He lp Contents[...]

ii Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

Copyright © 2007 Hitachi Da ta Systems Corporation, ALL RI GHTS RE SERVED Notice: No part of this public ation may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and record i ng, o r stored in a database o r retrieval system for any purpose without the expres s written permission of Hitac[...]

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Contents v Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Contents Overview of Universal Replicator for IBM z/OS ® ...................................... 1-1 Hitachi Universa l Replicator ................................................................................ 1-2 Featur es ......................................................[...]

vi Contents Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Update Copy Operation ............................................................................ 2-20 Journal Group Operati ons ......................................................................... 2-20 Timer Type Option ....................................................[...]

Configuring Paths and Po rts to Establish Connections among Secondary Storage Sy stems ......................................................................... 3-22 Creating Remote Command Devices to Establish Connections am ong Secondary Stor age Syst ems ......................................................... 3-22 Interoperability with Other P[...]

viii Contents Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Logical Storage System (LDKC) that Can be Connected to TagmaStore USP/NSC .......................................................................................... 3-61 Volume Pair that Can Create Pairs ............................................................. 3-62 Connec[...]

When the Power is Removed from Network Relay Devices ..................... 5-24 Turning Off Power Intentionall y ................................................................. 5-24 When You Power Off the Primary Stor age System................................. 5-24 When You Power Off the S econdary Stor age System............................. 5-[...]

x Contents Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Starting and Stopping Usage Mo nitoring ............................................................. 9-3 Displaying the Usag e Monitor Graph................................................................... 9-4 Saving Monitoring Da ta in Text Fi les ............................[...]

Preface xi Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Preface This document describes and provides instructions for using the Universal Replicator for z/OS ® software to configure and perform operations on the Hitachi Universal Storage Platform V (USP V) storage system. Please read this document carefully to understand how to use t[...]

xii Preface Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Intended Audience This document is intended for system administrators, Hitachi Data Systems representatives, and Authorized Serv ice Prov iders who are involved in installing, configuring, and operating th e Hita chi Universa l Storage Platform V storage system. This document as[...]

Preface xiii Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Document Organization The following table provides an overview of the contents and orga nization of this document. Click the chapter title in the l eft column to go to that chapter. The first page of each chapter provides links to the sections in that chapter. Chapter Descripti[...]

xiv Preface Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Universal Volume Manager User's Guide , MK-94RD626 • Guideline for the Timeout Menu Setting When Using At-Time Split Function at Combining Universal Replicator with ShadowImage • TrueCopy for IBM z/OS User's Guide , MK-94RD623 Document Conventions The terms “[...]

Preface xv Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide ELECTRIC SHOCK HAZARD! Warns the user of electric shock h azard. Failure to take appropriate precautions (e.g., do not touch) could result in serious injury. ESD Sensitive Warns the user that the hardware i s sens itive to electrostatic discharge (ESD). Failure to take appropri a[...]

xvi Preface Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Comments Please send us your comments on this document. Make sure to include the document title, number, and revision. Pl ease refer to specific section(s) and paragraph(s) whenever possible. • E-mail: doc.comments@hds.com • Fax: 858-695-1186 • Mail: Technical Writing, M/S[...]

1 Chapter 2 About Universal Replicator Operations 1-1 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Overview of Universal Replicator for IBM z/OS ® This chapter provides an overview of th e Hitachi Universal Replicator software and describes its features and benefits. This chapter covers the following key topics:  Hitachi Universal[...]

1-2 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Hitachi Universal Replicator The Hitachi Universal Replicator software intelligently replicates data among storage environments controlled through the Hitachi Universal Storage Platform V, satisfying the most demanding disast[...]

Chapter 2 About Universal Replicator Operations 1-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Features Hitachi Universal Replicator provides the following key features: • Heterogeneous Storage System Support – Used with the Universal Storage Platform or Network Storage Controller, Universal Replicator software enables storage m[...]

1-4 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Benefits The business benefits of Hitachi Universal Re plicator include: • Ensure Business Continuity – Simplifies implementation to meet the most demanding disaster recovery and uptime requirements, regardless of the t y[...]

Chapter 2 About Universal Replicator Operations 1-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Integrates tightly with other Hitachi software products supporting business continuity, further expanding capabilities Business Solutions Hitachi Data Systems and its Hitachi TrueNorth™ Channel Partners provide cost-effective storage[...]

1-6 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

2 Chapter 3 Preparing for Universal Repl icator z/OS Operations 2-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide About Universal Replicator Operations This chapter provides an overview of Universal Replicator operations:  Functionality Overview  Components  Remote Copy Operations  Journal Processing  URz Delta Resync Opera[...]

2-2 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Functionality Overview Hitachi Universal Replicator represents a unique and outstanding disaster recovery solution for large amount s of data that span multiple volumes. The UR group-based update sequence consistency solution[...]

Chapter 2 About Universal Replicator Operations 2-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Primar y site Primar y host Secondar y site Secondar y host Write instr uction Primar y stora g e s y stem Secondary storage system Primar y data volum e Issuing Re ad Journal comm and Journal restore function Journal obtai n function Jour[...]

2-4 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Journal Copy Journal copy is the function to copy th e data in the master journal volume at the primary site to the restore journa l volume at the s econdary site. The secondary storage system issues the read journal command [...]

Chapter 2 About Universal Replicator Operations 2-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide L Co py directi on Remote c opy connection URz volum e pair Host process or at the primary sit e Primar y subs y stem ( LDKC ) Error Reporting Communic ations Host processor at the secondary sit e Stora g e s y stem ( LDKC ) Intern al LAN [...]

2-6 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide L L L Primary s torage sys tem Mast er journal volum e Secondary st orage sys t em Secondar y stora g e s y stem Secondar y stora g e s y stem Mast er j ournal g rou p 0 Mast er j ournal g rou p 1 Mast er j ournal g rou p n S[...]

Chapter 2 About Universal Replicator Operations 2-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide USP V Storage Systems URz operations involve the USP V st orage systems at the primary and secondary sites. The primary storage system consists of the main control unit (primary storage system) and SVP. The secondary storage system consist[...]

2-8 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • The primary storage system is the control unit in the primary storage system which controls the primary data volume of the URz pairs a nd master journal volume. The Storage Navigator remote console PC must be LAN-attached[...]

Chapter 2 About Universal Replicator Operations 2-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Each LDKC controls 255 CUs, however the number of CUs that can be used for USP V program products is up to 255. Therefore, the maximum number of volumes that can be used for USP V program products is 130,560 (65,280 volumes for an LDKC). R[...]

2-10 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Initiator Ports and RCU Target Ports The initiator port and the RCU target port are required at both the primary storage system and secondary storage system. The initiator port at the primary storage system is connected to t[...]

Chapter 2 About Universal Replicator Operations 2-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Journal Volume When URz is used, updates to primary data volumes can be stored in other volumes, which are called journal volumes . The updates (which are sometimes referred to as update data ) that will be stored in journal volumes are c[...]

2-12 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide A journal volume consists of two areas: one area is used for storing journal data, and the other area is used for storing metadata for remote copy. RAID configuration: Journal volumes support all RAID configurations that are[...]

Chapter 2 About Universal Replicator Operations 2-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Deleting journal volumes: You can delete journal volumes under any of the followin g conditions: – When the journal group does not cont ain data volumes (i.e., before you create a data volume pair for the first time i n the journal grou[...]

2-14 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Journal group consists of two or more data volumes and journal volumes. It is a feature that allows you to sort multiple data volumes and journal volumes into collective units to tailor URz to meet your unique business needs[...]

Chapter 2 About Universal Replicator Operations 2-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 2-2 Specifications of Extended Consistency Groups Item Specifications The number of extended consistency groups that ca n be created Up to four per one storage system The number of journal groups th at can be registered in one exten[...]

2-16 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 15:00 14:00 13:00 12:00 15:02 14:02 13:02 12:02 15:03 14:03 13:03 12:03 15:04 14:04 13:04 12:04 Journal group 1 Extende d co n si sten cy group Journ al group 2 Journ al group 3 Journal gr oup 4 indicates d ata that is to be[...]

Chapter 2 About Universal Replicator Operations 2-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • If a pair in Journal g roup 4 is suspended, the consistency time will be 14:04. If a failure occurs in a primary st orage system and then you wish to recover from the failure, please restore journal data wi th time stamps later than t[...]

2-18 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Error Reporting Communications (ERC) Error reporting communications (ERC), which transfers information between host processors at the primary and second ary sites, is a critical component of any disaster recovery effort. You[...]

Chapter 2 About Universal Replicator Operations 2-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Update copy operation • Read and write I/O operations for URz volumes • Secondary data volume write option • Secondary data volume read option • Difference management Initial Copy Operatio ns Initial copy operations synchroniz[...]

2-20 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : If you manipulate volumes (not journal groups) to create or resynchronize two or more data volume pairs within the same journal group , the base journal of one of the pairs will be stored in the restore journal volume[...]

Chapter 2 About Universal Replicator Operations 2-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide This section describes the following journal group operation options available in URz: • Timer type option • Journal group operations Timer Type Option The timer type option allows you to specify the method applied by the primary stor[...]

2-22 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Release all pairs in a journal group. See section Deleting Data Volumes from a Mirror (Ending a copy operation) for a description of the De lete Range-Group delete pair option. • Group operations at the secondary stora[...]

Chapter 2 About Universal Replicator Operations 2-23 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : When you issue the DEVSERV command to the URz secondary data volume, INDETERMINATE FAILING UNIT is returned, if the status of URz secondary data volume is online. INTERVENTION REQUIRED is returned, i f the status of URz secondary d[...]

2-24 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : The number of bitmap areas affects the maximum possible number of pairs that can be created in the storage system. For details on the maximum possible number of pairs, see section The Maximum Number of Pairs. Journal [...]

Chapter 2 About Universal Replicator Operations 2-25 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The journal sequence number indicates the primary data volume write sequence that the primary storage system has created for each j ournal group. The journal data is transferred to the secondary storage system asynchronously with the host[...]

2-26 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note: The primary storage system does not remove the target journal data from its master journal volume until it receiv es the sequence numbers of restored journal which is give to the read journal command from the secondary[...]

Chapter 2 About Universal Replicator Operations 2-27 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 2-6 illustrates the journal data selection and settling at the secondary storage system. This diagram shows that journal data S1 arrives at the secondary storage system because the management information indicates 1. The secondary [...]

2-28 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Journal data stored in the restore journal volume The journal data is read from the restore journal volume to cache. The journal data that is read to cache is copied to the existing cache track and promoted to formal dat[...]

Chapter 2 About Universal Replicator Operations 2-29 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide prim ary host TCz Synchr onous, URz primary site master JN L VOL j ournal obtain secondar y host URz secondary site secondar y subs ystem secondar y dataVOL restor e JNL VO L j ournal rest ore R-VOL primary dat a VOL master JN L VOL j our[...]

2-30 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 2-7, a URz pair created with the de lta resync option is defined as a pair but no copy operation is performed (Hold status). Actual copy operation will not be performed until when the failure occurs and delta resync o[...]

Chapter 2 About Universal Replicator Operations 2-31 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide secondar y subs y s tem secondar y dataVOL restore JNL VOL j ournal rest ore prim ary subs ystem (form er sec ondary su bs ystem ) prim ary data VOL (former R-VOL) ma st er JNL VOL prim ary subs y s tem j ournal co py URz p air for delt a[...]

2-32 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide In Figure 2-8, because a failure occurs in the primary site A, Business Continuity Manager is used to change the form er TCz Synchronous secondary site to the primary site B. If you perform delta resync operation in this sit[...]

Chapter 2 About Universal Replicator Operations 2-33 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide As shown in Figure 2-8, after delta resync op eration is performed properly and the primary site A is recovered from the failure, then the URz pair between the primary site A and the URz secondary site will be the pair for delta resync op[...]

2-34 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • URz Pair Status The URz Suspending and Deleting (release) transitional states occur when a request to change URz pair status has been accepted, but the change to the requested status ( suspended , or simplex ) is not yet[...]

Chapter 2 About Universal Replicator Operations 2-35 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 2-4 URz Data Volume Pair Status Pair Status Description Simplex This volume is no t currently assigned to a URz data volume pair. This volume does not belong in the journal grou p. When this volume is added to a URz data volume pair[...]

2-36 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Suspend Types Table 2-5 lists and describes the URz suspend types, which indicate the reason for the suspension. A URz pair ca n be suspended by the user at any time after the initial copy operation is complete. The us er mu[...]

Chapter 2 About Universal Replicator Operations 2-37 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 2-5 Suspend Types Suspend Type Applies to Description Secondary data volume by operator Primary data volume, secondary data volume The user suspended the pair from the primary st orage system or secondary storage system using the se[...]

2-38 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Group This URz volume pair was suspended along wi th the other pair in its journal gr oup. Update sequence consistency between this secondary data volume and other secondary data volumes in this journal group is ensured. Thi[...]

Chapter 2 About Universal Replicator Operations 2-39 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide After marking these primary data volu me tracks as modified, the primary storage system discards these journal data. This ensures that journal data lost during transmission to the secondary storage system are identified and marked. • Th[...]

2-40 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 2-8 SAID Values for the PATH LINK Parameter (FRONT CL1) Package Location Port SAID Package Location Port SAID Package Location Port SAID Package Location Por t SAID 1E CL1-A X'000 0' 1G CL1-J X'0008&apos[...]

Chapter 2 About Universal Replicator Operations 2-41 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide CL5-F X'004 5' CL5-P X'004D' CLD-K X'00C9' CLD-B X'00C1' CL7-F X'006 5' CL7-P X'006D' CLF-K X'00E9' CLF-B X'00E1' CL1-G X'000 6' CL1-Q X'000E&a[...]

2-42 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide CL4-D X'0033' CL4-M X'003B' CLC-R X'00BF' CLC-H X'00B7 ' CL6-D X'0053' CL6-M X'005B' CLE-R X'00DF' CLE-H X'00D7 ' CL8-D X'0073 ' CL8-M[...]

Chapter 2 About Universal Replicator Operations 2-43 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide You can use Storage Navigator to find the command device for Business Continuity Manager. To find the command device, click File , and Basic Information on the menu bar of the Stora ge Navigator main window, and then select the LDEV tab i[...]

2-44 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

3 Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Preparing for Universal Replicator z/OS Operations This chapter describes URz operations involving the U SP V primary and secondary storage systems, the remote copy connections between the primary secondary storage systems, a[...]

3-2 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Requirements and Restrictions for URz URz has the following requirements and restrictions: • System requirements (see the next section) • Disk track format • One-to-one volume copy operations • Duplicate VOLSER • Vo[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • For distances greater than 30 km (18.6 miles), approved third-part y channel extender products and telecommunications lines are requir ed. Long-distance URz solutions are provid ed based on user requirem ents and workload[...]

3-4 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Disk Track Format URz supports the following requirements on the disk track format, which must be ensured by the user. URz cannot detect exceptions to these requirements. The primary storage system will abort the URz initial [...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Duplicate VOLSER (Volume Serial N umber) When you select Entire as the initial copy option, the URz initial copy operation copies the VOLSER of the primary data volume to the se condary data volume, and therefore the p rimary[...]

3-6 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Notes : • The CU emulation type 3990-6, 3990-6E, 2105, or 2107 is required for SMS I/O time stamping of URz journals. If one of these CU emulation types is used, volumes of the 3380 emulation type must not be used. • The [...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Minimum volume capacity 1 cylinder 50 cylinders for a non-OPEN-V volume. 48.1 MB for an OPEN-V volume. Note : A journal volume consis ts of two types of areas, one for containing journ al data, and the other for containi ng i[...]

3-8 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 3-5 RAID Level Configuration of URz Item Support specifications RAID configuration of data volume and journal volume RAID1 , RAID5, and RAID6 can coexist. RAID1, RAID5, and RAID6 can co exist in the same journal group. [...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide H6588-L 32,76 0 NF80-E 1,770 NF80-J 88 5 NF80-K 2,655 • The number of the required bitmap areas: The number of bitmap areas to be used by a ll data volumes that form pairs is calculated out of the number of cylinders. The c[...]

3-10 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The maximum number of pairs = ( ↓ Number of bitmap areas ÷ required number of bitmap areas ↓ ) The ↓ … ↓ symbols enclosing a value indicate that the value should be rounded down to the nearest in teger. Note : If [...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Journal Group The URz journal groups have the following requirements: • Each URz pair must be assigned to one and only one jo urnal group. Table 3-9 shows the journal group specifications. Table 3-9 Journal Group Specifica[...]

3-12 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Accessing URz Primary Data Volume and Secondary Data Volume To ensure maximum data integrity during normal URz operations, the secondary storage system rejects all the read/write operations issued by a host to a URz secondar[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Installing the Hardware Initial installation of the URz hardwa re is performed by the user and the Hitachi representative. To install the hardware required for U Rz operations: 1. User: Identify the locations of the URz prim[...]

3-14 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Setting up Remote Copy Connections Figure 3-1 shows the remote copy connection configurations for U Rz operations. The primary storage system and secondary storage system of each URz pair must be connected via optical fiber [...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Host (Prim ary) *1 Fabric OF F Host (Secondary) *1 NL _ Port MCU RCU NL _ Port Initiator port Ordinary fibre-channel interface port (target port) RCU tar get port * To set ports, use LUN Manager and set p o rt topology to: F[...]

3-16 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Enabling the URz Option(s) To operate the URz software, PC for the USP V Storage Navigator is required. For further information on USP V Storage Navigator operations, please refer to the Storage Navigator User's Guide ,[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Prim ar y host Primar y site Master JN L VOL Journal obtain Secon dary site Prim ary stora ge s ystem 1 Write data (with time sta mp adde d) Master JNL VOL Mast er JNL VOL Prim ary stor age s ystem 3 Secondary data vol ume R[...]

3-18 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide This manual uses the term "arbitration processing", which refers to execution of the journal restore function based on time stamps in an attempt to maintai n data update sequence. When there is more than one second[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Primar y host (can add tim e stamps) Master JN L VOL (3) Secondar y site Primar y storage s y stem 1 Primary data volum e Master JN L VOL Primary data volum e Secondary dat a volume Restore JNL VOL Secondar y storage s ystem[...]

3-20 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 5. The secondary storage system 1 (i.e ., the supervisor DKC) performs arbitration processing. In other words, the secondary s torage system 1 restores journal data of the secondary storage systems 1 and 2, based on the time[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Connections Between S e condary Storage Systems If you use more than one primary storage system and more than one secondary storage system, you must establish connections among the secondary storage systems. To do this, you [...]

3-22 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Configuring Paths and Ports to Esta blish Connections among Secondary Storage Systems To establish connections among secondary storage systems, you must configure external ports on the storage system that should be used as t[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-23 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Interoperability with Othe r Products and Functions Some types of volumes used by non-URz functions can also be used as URz data volumes and/or journal volumes. Table 3-11 explains whether non-URz volumes are also usable as [...]

3-24 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Functions and Volumes Can the Volumes be Used as Primary Data Volumes? Can the Volumes be Used as Secondary Data Volumes? Can the Volumes be Used as Journal Volumes? M-VOL in Pending duplex status No. No. No. M-VOL in Duplex[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-25 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note*21: The volume can be used as a secondary data volume o nly when you restore a URz pair or perform a Business Continuity Manager YKRESYNC REVERSE operation. However, even in this case, you c annot use the volume as the [...]

3-26 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 3-12 Host Pair Status Reporting for URz/SIz Sh ared Volumes Number of URz pairs Number of SIz T-VOLs Pair status reported b y USP V 0 0 Simplex 0 1 SIz pair status 0 2 or more SIz pair status for the pa ir whose S-VOL [...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-27 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Business Continuity Manager allows you to set the starting time of backup copy to journal groups. In the above configuration, if yo u set the starting time of backup copy, the writes to the primar y data volume up to that ti[...]

3-28 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 3-10 combines the configurations shown in Figure 3-8 and Figure 3-9. Within a single URz pair, the primary data volume and secondary data volume are both functioning as SIz S-VOLs, providing multiple copies at the pri[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-29 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 3. Execute the Business Continuity Manager YKSUSPND FORWARD command on the URz pair to suspend the pair. After that, execute the YKRESYNC FORWARD command to change the copy direction to the original direction and re-establis[...]

3-30 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide URz Primary data volum e Secondary data volume Master journal volum e Restore journal volum e MCU RCU Figure 3-14 Restoring a SIz S-VOL - Step 3 URz Primary data volum e (suspended) Secondary data volum e ( sus p ended ) Mas[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-31 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 3-17 Restoring a SIz S-VOL - Step 6 URz SIz S-VOL T- V O L Primary data vol ume (suspended) Secondary data volume ( sus p ended ) Master journal volum e Restore journal volum e MCU RCU Figure 3-18 Restoring a SIz S-VO[...]

3-32 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Using At-Time Split Function When Combining URz wit h ShadowImage for z/OS ® (SIz) When URz secondary data volume (S-VOL ) is specified as S-VOL of SIz pair, you can specify the time of backup copy op eration for URz by usi[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-33 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The procedure to use the At-Time Split function when you combine URz with ShadowImage for z/OS ® is as follows. The following steps enable y ou to make backup copy at a specified time without suspending URz pairs. 1. Specif[...]

3-34 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – The specified split time is enabled even after the split operation has been executed on SIz pair. When you execute split operation again on ShadowImage for z/OS® consistency group that has b een split before, specify th[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-35 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 3-22 shows an example of a 3DC cascading configuration in which URz and TCz Synchronous are combined. In this configurati on, the volume in the primary site is a TCz Synchronous main vol ume (M-VOL). The corresponding[...]

3-36 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide As illustrated in Figure 3- 23, if a host in the primary site issues an I/ O request, data will be stored into the TCz Sync hronous M-VOL. The data will also be stored into the TCz Synchronous R-VOL (i.e., the U Rz primary d[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-37 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Hardware Configuration This section explains hardware configuration for a 3DC cascading configuration using TCz Synchronous and UR-z/OS ® . In a 3DC cascading configuration, three USP V storage systems are required. It is r[...]

3-38 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 2. Issue a request for creating a TCz Synchronous pair to the primary subsystem MCU where TCz Synchronous is installed. 3. Wait until the status of the TCz Synchronous pair becomes Duplex . 4. Issue a request for creating a [...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-39 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 2. If the TCz Synchronous volume is not in Simplex status, use Business Continuity Manager to execute the YKDELETE command onto the TCz Synchronous pair, and then wait until the status changes to Simplex . Note: YKDELETE is [...]

3-40 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Secondary site for URz Master JNL VOL Restore JNL VOL Primary site URz seconda ry site Sec. data VOL S-VOL JNL VOL TCz Syn chrono us (short distan ce) URz (long d istanc e) (for us e as a n alte rnative) TCz Syn chrono u[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-41 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide For detailed information about the hardware configuration required for 3DC multi-target configuration, see the next section. For det ailed information about the requirements to create a URz pair for delta resync operation, s[...]

3-42 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide USP V storage system in the TCz Synchronous secondary site : – The USP V storage system must ha ve TCz Synchronous installed. – The USP V storage system must have URz installed. – The USP V storage system must have TCz[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-43 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 8. Specify the TCz Synchronous R-VOL in TCz Synchronous secondary site as the primary data volume, and specify the secondary data volume in URz secondary site as the secondary data volum e to create the URz pair for delta re[...]

3-44 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Status of the primary data volume is Hold • Using the volume of TCz Synchronous pair as the prima ry data volume If you use TCz Synchronous M-VOL, the pai r status should be Duplex. If you use TCz Synchronous R-V OL, t[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-45 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note: By specifying an option, you can cop y the whole data in the primary volume to the secondary volume and avoid the error when only a part of the differential data between primary and secondary data vo lume is stored in [...]

3-46 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide M-VOL JNL VOL Restore JNL VOL URz Mast er JNL VOL R-VOL JNL VOL Restore JNL VOL URz Mast er JNL VOL 業務 Tasks 業務 Tasks TCz Synchron ous TCz Synchron ous TCz Synchron ous secondary site TCz Synchron ous secondary site [...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-47 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Mast er JNL VOL Restore JNL VOL URz Sec. dat a VOL R-VOL JNL VOL Master JNL VOL Restore JNL VOL URz Sec. data VOL JNL VOL 業務 Tasks 業務 Tasks TCz Synchron ous secondary site TCz Synchron ous secondary site TCz Synchron[...]

3-48 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 6. Create a URz pair that consists of a volume in the primary site and a volume in the URz secondary site. Ens ure that the primary data volume of the resulting pair is the volume in the primary site, and that the secondary [...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-49 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The copy direction of the TCz Synchronous pair will be reversed. 2. Stop business tasks at the TCz Synchronous secondary site. 3. Use Business Continuity Manager to execute the YKSUSPND FORWARD command on the TCz Synchronous[...]

3-50 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide No. If the Status of the Pair in the Primary Site is and the Status of the Pair in the URz Secondary Site is Please Perform the Following Operation befo re Transferring Business Tasks Back to the Primary Site 1 Pending Duple[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-51 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide R-VOL Prim. dat a VOL Maste r JNL VOL M-V OL Restore JNL VOL Sec. data VOL Maste r JNL VOL TCz Sync. UR M-VOL Maste r JNL VOL R-VOL Prim . d ata VOL Restore JNL VOL Sec. data VOL Maste r JNL VOL TCz Sync . UR M-VOL Prim. dat[...]

3-52 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide To transfer your business tasks to the URz secondary site, follow the procedure below. Business Continuity Manager is used in this pro cedure: 1. Use Business Continuity Manager to execute the YKSUSPND REVERSE command on the[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-53 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide As a result, the former secondary volume in the URz secondary site changes to the primary data volume. Also, the former primary volume in the primary site changes to the se condary data volum e (see the upper- right picture [...]

3-54 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide P-VOL/Prm. data VOL Mast er JNL VOL Restore JNL VOL URz Sec. dat a VOL S-VOL JNL VOL P-VOL/Prm. data VOL Mast er JNL VOL Restore JNL VOL URz Sec. dat a VOL S-VOL JNL VOL 業務 Tasks 業務 Tasks P-VOL/Prm. data VOL Mast er [...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-55 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Planning of Journal Volumes Why Planning is Necessary? Data transfer speed for journal groups is affe cted by specifications of journal volumes that the journal groups use. Therefore, you ne ed to think about specifications [...]

3-56 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Data tra nsfer speed between ho sts and the MC U Data tra nsfer speed of journal volumes Data tran sf er s pee d between the M CU and the RCU Ti m e Normal sta t us T emporary increase in data t o be transferr ed Data tran s[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-57 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The data transfer speed of a journal volume depends on the data transfer speed of the RAID group that the journal volume belongs. One RAID group can consist of one or more volumes, includ ing journal volumes. Therefore, if f[...]

3-58 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Data tra nsfer speed between ho sts and the MC U Data tra nsfer speed of journal volumes Data tran sf er s pee d between the M CU and the RCU Ti m e Normal sta t us T emporary increase in data t o be transferr ed Data tran s[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-59 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Planning Data Transfer Speed before Reversing Dat a Volumes When a failure occurs at a host, one of the fa ilure recovery measures is to reverse the primary data volume and the sec ondary data volume (i.e., change the copy d[...]

3-60 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Data tra nsfer speed between ho sts and the MC U Data tra nsfer speed of journal volumes Data tran sf er s pee d between the M CU and the RCU Ti m e Normal sta t us T emporary increase in data t o be transferr ed Data tran s[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-61 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • System configuration for remote copy operation by URz from USP V to TagmaStore USP/NSC. • System configuration for remote copy operation by URz from TagmaStore USP/NSC to USP V. The following are described for the conn[...]

3-62 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide More than one TagmaStore USP/NSC can be connected to LDKC00 of USP V. Note: There are only tw o LDKCs for the current version, which are LDKC00 and LDKC01. LDKC01 and TagmaStore USP/NSC cannot be connected. Note: The steps t[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-63 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note: The steps to use data volum e pairs in a system configuration that USP V and TagmaStore USP/NSC are connected is the same with the steps to use data volume pairs of USP V. For d etailed information about the steps to u[...]

3-64 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide There are no limitations on the combinations of USP V and TagmaStore USP/NSC secondary storage systems. However, note that the specifications of the extended consistency groups differ depending on whether t he supervisor DKC[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-65 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Secondar y EXCTG Secondary data VOL Restore JNL VOL LDKC 00 Secondary data VOL Restore JNL VOL Secondary data VOL Journal g r ou p Journal group Journal group 3 Restore JN L VOL LDKC 01 USP V ( supervisor DK C ) T agm aS tor[...]

3-66 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide When the supervisor DKC of the secondary storage system is TagmaStore USP/NSC and the subordinate DKCs are USP V, there are limitations for journal groups that can be registered in the extended consistency group. The journal[...]

Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-67 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Secondar y EXCT G Secondary data VOL Restore JNL VOL LDKC 00 Secondary data VOL Restore JNL VOL Journal group Journal group LDKC 01 USP V (subordi nate DKC) Configur a tion ex amp le 1 (can be regist er ed) Secondar y EXCTG [...]

3-68 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

4 Chapter 5 Configuring Storage Systems and Logi cal Paths 4-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Using the Universal Replicator for z/OS® GUI This chapter how to use the Universal Replicator for z/OS graphical user interface:  Journal Operation Window  Pair Operation Window  DKC Operation Window  Usage Monitor Win[...]

4-2 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Journal Operation Window To configure journal groups, use the Journal Operation window of URz. To display the Journal Operation window, do either of t he following: • If Universal Replicator for z/OS ha s not been started: a. Us[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Tree : Lists journal groups in the local storage system, which is a storage system you are logged in. Note : The tree displays journal groups used with URz, and does not display jo urnal groups used with UR (Universal Replicat[...]

4-4 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Restoring mirrors • Upper-right list : If a master journal group or a restore journal group is selected in the tree, the upper-right list displays a list o f mirrors . A mirror is a combination of a master journa l group and[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Stop Either of the following: • An operation for splitting the mirror is finished. • The operation for deleting the mirror is in progress. The primary data volume and the se condary data volu me are not sync hronized. Hold A U[...]

4-6 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – List : Displays changes that ha ve been made in the window. When you change settings in the window, the changes will be displayed in the Preview list before the changes are applied to storage systems. If you are sure that info[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Pair Operation Window To manipulate pairs of primary and secondary data vol umes, use the Pair Operation window. To display the Pair Operation window, do eith er of the following: • If Universal Replicator for z/OS ha s not been[...]

4-8 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The Pair Operation window displays the following: • Tree : Lists LDKCs and lists CU images under the LDKC in the local storage system ( ). If you select a CU image, the list displays vo lumes for the CU image. You can select onl[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : Use the vertical and horizontal scroll bar if the i nformation that you want to view is hidden and invisible. Figure 4-3 The List in the Pair Operation Window – VOL : Indicates volumes in the local storage system. The ico[...]

4-10 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Deleting The primary data volume and th e secondary data volume are not synchronized. This pair is in transition from the Pendi ng, Duplex, or Suspend status to the Simplex status. Hold A URz pair for delta resync operation is cr[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Pair JNLG : Indicates the journal group number for the remote storage system. This column is blank if the volume in the loc al storage system is neither a primary data volume nor a secondary data volume. – Err Lv. : Indicat[...]

4-12 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Pair Copy Time on the Detailed Information dialog box shows the amount of time that has been needed from step 3 to the completion of the creating pair operation (i.e., the progress of the cre ating pair operation reaches 100%). C[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Cancel : Cancels settings in the Preview list. Note : Information on the Pair Operation window will be updated when you do one of the following: 2. Select another tab and then reselect the Pair Operation tab. 3. Click File , [...]

4-14 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 4-4 DKC Operation Window The DKC Operation window displays the following: • Display : Changes information in the DKC Operation window. If you select DKC , the DKC Operation window displays information about the remote st[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Apply : Applies settings in the Preview box to the storage systems. • Cancel : Cancels the settings displayed in the Preview box. Note : Information on the DKC Operation window will be updated when you do one of the followi[...]

4-16 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Controller ID displays the controller ID and the model name of the storage system of a remote storage system. The controller ID is a storage system family ID of a storage system. The icon indicates the status of logical paths[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Displaying Information about Logical Pat hs Logical paths are communication paths that connect the local storage system ports and the remote storage system ports. To display information about logical paths in the DKC Operation wi[...]

4-18 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Displaying Information about Ports on the Local Storage System To display information about ports on the local storage system in the DKC Operation window: 1. In the Display box, select Port . The tree displays a list of channel a[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide RCU target port initiator port external port. port in initiator/external mix mode • List : Displays ports on the local storage system: – Port displays the port number. – Attribute displays the port attribute (i.e., initiato[...]

4-20 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Usage Monitor Window The Usage Monitor window (see Figure 4-8) displays the remote copy I/O statistics for all volumes to be monitored on the connected storage system, and displays the status of remote copy usage monitoring. To d[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Monitoring Switch : displays Enable when monitoring is on; displays Disable when monitoring is off. Note: When monitoring is stopped, the usage monitor graph is closed. Gathering Interval : displays the data collection interv[...]

4-22 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 4-9 History Window The History window presents: • Status displays the current status of opera tion history: – No history file exists : Operation history does not exist. – Reading a history file failed : An attempt to[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-23 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • The list displays history of operations on data volume pairs in the connected storage system. The list consists of the following columns: – Operation Date/Time: The date and time when the operation was completed. – Operat[...]

4-24 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Status Change by MCU(Suspend to Simplex): The status of the data volume pair was changed from Suspend to Simplex because of an operation from the primary storage system. Status Change by MCU(Suspend to Pending): The status of the[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-25 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Status Change by MCU(Hold to Simplex): The status of the data volume pair was changed from Hold to Simplex because of an operation from the primary storage system. Status Change by RCU(Hold to Simplex, Delete Pair Start): An oper[...]

4-26 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – If a failure occurs with two or more data volume pairs at the same time, only up to two rows showing "Suspe nd Pair(F ailure)" or "Ready for Delta resync(Failure)" will be displayed. – The copy time migh[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-27 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Optional Operation Window The Optional Operation window (see Figure 4-10) allows you to set options. To display the Optional Operation window, do either of the following: • If Universal Replicator for z/OS has not been started:[...]

4-28 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Tree : allows you to select Subsystem , or LDKC . • The Clear SIM button: allows you to clear all URz SIMs (service information messages) and UR SIMs from the connected storage system • List : displays storage system opti[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-29 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide EXCTG Operation Window To make settings on extended consistency groups, use the EXCTG Operation window. To display the EXCTG Operation window, do either of the following: • If Universal Replicator for z/OS has not been started:[...]

4-30 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 4-11 EXCTG Op eration W indow The EXCTG Operation window displays the following: • Tree : Lists extended consistency groups.[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-31 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Extended consistency group, in which journal groups are registered Controller IDs, model names and serial numbers of disk subsystems Extended consistency groups, in which no journal group i s registered Figure 4-12 Tree of the EX[...]

4-32 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide When you double-click this item, the tree display LDKCs. When you double-click an LDKC, the tree displays extended consistency groups in which no journal groups are regist ered. • Upper-right list : The upper-right list display[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-33 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – To display extended consistency groups in which no jo urnal group is registered, select Free . To display extended consistency groups belonging to an LDKC, select the LDKC from below Free . The extended consistency groups are[...]

4-34 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide This column displays Underflow or Overflow if an invalid time stamp is detected. If Underflow is displayed, the time stamp is below the allowable range. If Overflow is displayed, the time stamp is above the allowable range. • N[...]

Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-35 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Displaying a List of Journal Grou ps in an Extended Consistency Group The EXCTG Operation window allows you to display a list of journa l groups in an extended consistency group. To display a list of journal groups in an extended[...]

4-36 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

5 Chapter 5 Configuring Storage Systems and Logi cal Paths 5-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Configuring Storage Systems and Logical Paths This chapter explains how to configur e storage systems and logical paths fo r Universal Replicator for z/OS in your system:  Reviewing Storage System and Logical Paths  Configuri[...]

5-2 Chapter 5 Configuring Storage S y stems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Reviewing Storage System and Logical Paths To introduce Universal Replicator fo r z/OS (henceforth a bbreviated as URz ) into your system and configure your system for remote copy operations, you must consider which data should [...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : Throughout this chapter, the primary and the sec ondary storage systems are sometimes referred to as local storage systems or remote storage systems . If you are logged into the primary storage system and are using URz, the[...]

5-4 Chapter 5 Configuring Storage S y stems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 5. Select the DKC radio button on the DKC Operation window to display the Add DKC window. Set the S/N of the storage system which will be connected, controller ID, path group ID, the initiator port in this storage system, the RC[...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Configuring Port Attributes The administrator at both the primary site a nd the secondary site must configure ports on the primary storag e system and the secondary storage system in the following ways: • The administrator at th[...]

5-6 Chapter 5 Configuring Storage S y stems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide WARNING: Before changing a Fibre Channel port to an initiator port, disconnect the port from the host, release all affected da ta volume pairs, delete all logical paths from the initiator port to the remote storage system, and t[...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide WARNING: Read and follow the important warnings and c aution above before applying the port attribute changes. 8. Select Apply to apply port attribute changes to the storage system.[...]

5-8 Chapter 5 Configuring Storage S y stems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Configuring Storage System Options The Optional Operations window allows you to change storage system option settings To change the option setti ngs of the storage system: 1. Ensure that the Storage Navigator main window is in M[...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Activities: The number of volumes that can be copied concurrently during an initial copy operation. Figure 5-2 System Option Window • Maximum Initial Copy Activit ies: Specifies the number volumes that can be copied concurre[...]

5-10 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Establishing the Relationship between Primary and Secondary Storage Systems (Add DKC) The Add DKC window (see Figure 5-3) allows you to associate the primary storage system and the secondary storage system, and also allows you to[...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The path group ID is w ithin the rang e of 1-FF (hexadecimal). Up to 64 path group IDs can be registered per storage system. Note : In the current version, t he path group IDs always take the default values and cannot be changed.[...]

5-12 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 5-3 Add DKC Window The Add DKC window displays the following: • S/N : allows you to enter the five-digit serial number of the remote storage system. • LDKC: allows you to enter the LDKC number of the remote storage sys[...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Changing Options for Logical Paths and Storage Systems The DKC Option window (see Figure 5-4) allows you to set the logical path options and storage system options. These options will apply to the local storage system and the cor[...]

5-14 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 5-4 DKC Option Window The DKC Option window displays the following: • The Minimum Paths option specifies the minimum number of paths required for each remote storage system connected to the local storage system (default [...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Adding Logical Paths The Add Path window (see Figure 5-5) allows you to add one or more logical paths between the local and remote storage systems. One primary storage system can be associated with up to 64 secondary storage syst[...]

5-16 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 5-5 Add Path Window The Add Path window displays the following: • Port : allows you to select an initiator port on the local storage system. Note : When specifying a port, you can use the keyboard to enter the port numbe[...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Viewing the Status of Logical Paths The DKC Status window (see Figure 5-6) displays the status of logical path(s). To view the status of logical path(s) , follow the procedure below. Not only the primary storage system administra[...]

5-18 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The DKC Status window displays the following: • List: – No. : displays serial numbers used for rows in t he list – Path Status : indicates status of a logical path (For details, see Table 5-1) – Port: indicates a port on [...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Communication Time Out This status indicates one of the following: • A timeout error has occurred between the primary and the secondary storage systems. • A logic error is detected between the primary and the secondary sto ra[...]

5-20 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Deleting Logical Paths Before deleting logical path(s), make su re t hat the remaining number of logical paths will be greater than the minimum number of paths setting. The delete path operation will fail if the number of remaini[...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Managing SIMs Enabling or Disabling SIM Reporting The Optional Operation window can be used to enable CUs to report SIMs (service information messages) to hosts, or prevent CUs from reporting SIMs to hosts. For detailed informati[...]

5-22 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 5-7 List in the Optional Operations Wind ow Showing Whether to Report SIMs from CUs to Host • CU: Displays CU numbers. • SIM Report: Indicates whether to report SIMs from CUs to hosts. Clearing Service Inform ation Mes[...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-23 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Managing Power for Stor age Systems and Network Relay Devices This appendix explains power management for storage system s and network relay devices during remote copy operations. In particular, this a ppendix discusses the follo[...]

5-24 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide If power is removed from the primary or secondary storage system and its backup batteries are fully discharged while data volume pairs are split, differential data (i.e., update data) will not be retained. In this unlikely case, [...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-25 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide After you take these steps, remote copy operations will be resumed. The primary storage system will be able to respond to read journal commands issued by the secondary storage system. Note : If you want to power off both the prim[...]

5-26 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide When You Power Off the Primary and Secondary Storage Systems at the Same Time If you want to power off the primary and secondary storage systems at the same time, the primary storage system must be powered off before the secondar[...]

Chapter 5 Configuring Storage Systems and Logi cal Paths 5-27 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide When You Power Off Network Relay Devices If you want to power off a network relay device during remote copy operations, you must ensure, before powering off the device, that all data volume pairs or mirrors (i.e., pairs of journa[...]

5-28 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Removing the Relationship Between the Primary and the Secondary Storage Systems To remove the relationship between the primary and the secondary storage systems and then remove all the logi cal paths between the two storage syste[...]

6 Chapter 7 Configuring Journal Groups 6-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Configuring Journal Groups This chapter describes the introduction of the URz in your system and explains how to configure your system for remote copy operations:  Reviewing Administrator Tasks fo r Managing Journals  Registering Journal Volumes[...]

6-2 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Reviewing Administrator Tasks for Managing Journals To introduce URz in your system and configure your system for remote copy operations, the primary site admi nistrator and the secondary site administrator must configure journal g roups , as well as[...]

Chapter 6 Configuring Journal Groups 6-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Registering Journal Volumes in a Journal Group To be able to perform remote copy operations with URz, the primary site administrator must register journal volumes in journal groups in t he primary storage system. Also, the secondary site administrato[...]

6-4 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – To register external volumes, select the PG(Ext.) radio button, enter a parity group number in the text boxe s to the right, and then select Show . The list displays volumes in the specified parity group. Finally, select the volumes that you want[...]

Chapter 6 Configuring Journal Groups 6-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 6-1 Edit JNL Volumes Window The Edit JNL Volumes window displays the following: • JNL Volumes : Displays information about journal volumes. – Parity Group : indicates the parity group where a journal volume belongs. Note : If the letter &q[...]

6-6 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Add : Use this button when you register volumes in a journal groups. When registering volumes, you select the volumes from Free Volumes and then select Add to add the volumes to JNL Volumes . • Delete : Use this button when you delete volumes f[...]

Chapter 6 Configuring Journal Groups 6-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 6-2 The Free Volumes List an d the PG Button in the Edit JNL Volumes Window Figure 6-3 The Free Volumes List an d the CU Button in the Edit JNL Volumes Window • Timer Type : Indicates the type of clock used for cons istency time. – System [...]

6-8 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Total : Estimates the number and the capacity of journal volumes after addition or deletion, and then displays the estimated number and the capacity. Note: If the number of journal volumes is 0, the capacity does not display. • Set : Applies th[...]

Chapter 6 Configuring Journal Groups 6-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Deleting Journal Volumes from a Journal Group To delete journal volumes from the primary storage system, log into the primary storage system and then perform the following operation. To delete journal volumes from the secondary storage system, log in[...]

6-10 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 8. See the Preview list to check the volumes that you want to delete. – If you want to add volumes to delete , select and right-click a volume in the Preview list and then select Modify. A window appears and allows you to specify volumes to delete[...]

Chapter 6 Configuring Journal Groups 6-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Displaying Detailed Information about a Journal Group To display detailed information about journal groups in the primary storage system, log into the primary storage system and then perform the following operation. To display detailed information a[...]

6-12 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • JNL Group(LDKC) : Indicates the number of a journal group and the LDKC number. The LDKC number is enclosed in the parenthe ses following the serial number. • Attribute : Indicates the attribute of the journal group. When one journal group uses[...]

Chapter 6 Configuring Journal Groups 6-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – By default, the pace for an i nitial copy activity is Low . – Copy Pace displays nothing if the journal group is a restore journal group. • Use of Cache : Indicates whether to store journal data in the restore journal group into the cache. ?[...]

6-14 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – A slash (/), the controller ID This column is blank if the journal gr oup does not belong to any extended consistency group. • JNL Volumes : Displays a list of registered journal vol umes. – Parity Group : indicates the parity group where a [...]

Chapter 6 Configuring Journal Groups 6-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Halting An operation fo r splitting or deleting the mirror is i n progress. The primary data volume and the secondary data volume are not synchronized. When you split a mirror, the status will change in th e following order: Ha lting , Halt , Stoppi[...]

6-16 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Changing Options for a Journal Group To change options for a journal group, follow the proc edure below. Both the primary storage system administrator and the secondary storage system administrator must perform this operation: 1. Ensure that the Sto[...]

Chapter 6 Configuring Journal Groups 6-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 6. Select Apply to apply the settings. Note : If an error occurs, the righ tmost column of the Preview list displays the error code. To view detailed information about the error, right-click the error code and then select Error Detail . An error mes[...]

6-18 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Medium : The speed of the initial copy activity is faster than Low and slower than High . If you want to specify Medium , please ensure that the amount of update I/Os (i.e., write requests from hosts to primary data volumes) is 10 MB/s or less p[...]

Chapter 6 Configuring Journal Groups 6-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 449 ON : The SVP does not detect blocked paths. OFF : The SVP detects blocked paths and monitors th e time until the mirrors get spl it (suspended). • Forward Path Watch Time : Allows you to specify whether to forw ard the Path Watch Time value of[...]

6-20 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Entire : Whole data in primary data volume will be copied to secondary data volume when delta resync op eration cannot be performed. The default is Entire . – None : No processing will take place when delta resync operation cannot be performed[...]

Chapter 6 Configuring Journal Groups 6-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Deleting a Journal Group To delete a journal group from the primary storage system, log int o the primary storage system and then perform the following operation. To delete a journal group from the secondary storage system, log into the secondary st[...]

6-22 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Splitting a Mirror (Suspending a copy operation) A mirror is a combination of a master journal group and a restore journal group. If you split a mirror, the copyin g of data from the master journal group to the restore journal group will suspended. [...]

Chapter 6 Configuring Journal Groups 6-23 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 6-6 Suspend Pair Window The Suspend Pair window displays the following: • S-VOL Write : Allows you to specify whether hosts can issue read I/O and write I/O to the secondary data volume after the mirror is split. The default is Disable . If[...]

6-24 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Restoring a Mirror (Resuming a copy operation) A mirror is a combination of a master journal group and a restore journal group. If you split a mirror, the copyin g of data from the master journal group to the restore journal group will be suspended.[...]

Chapter 6 Configuring Journal Groups 6-25 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : If an error occurs, the righ tmost column of the Preview list displays the error code. To view detailed information about the error, right-click the error code and then select Error Detail . An error message appears and gives you detailed inf[...]

6-26 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Deleting Data Volumes from a Mirror (Ending a copy operation) A mirror is a combination of a master journal group and a restore journal group. If you delete data volumes (i.e., the primary da ta volume and the secondary data volume) from a mirror, t[...]

7 Chapter 7 Using Extended Consistency Groups 7-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Using Extended Consistency Groups This chapter explains how to perform remote copy operations between more than one primary and secondary storage system, as well as how to register journal groups in extended consistency groups (abbreviated as E[...]

7-2 Chapter 7 Using Extended Consistency Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide If you want to perform remote copy operations between more than one primary storage system and more than one secondary storage system, you must register journal groups in extended consistency groups (abbreviated as EXCTG). To register journal [...]

Chapter 7 Using Extended Consistency Groups 7-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 1. Ensure that the Storage Navigator main window is in Modify mode. For detailed information about how to do this, please refer to Storage Navigator User’s Guide . 2. Ensure that the EXCTG Operation window is displayed. 3. In the EXCTG Opera[...]

7-4 Chapter 7 Using Extended Consistency Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 16. See the Preview list to check the settings that you have made. Note: If you want to modify a setting, select and right-click the setting in the Preview list and then select Modify . A window appears and allows you to modify the setting. 17[...]

Chapter 7 Using Extended Consistency Groups 7-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – You cannot set the same serial number to DKC-1 through DKC-4 . • LDKC : Indicates the LDKC number of a storage system. • Controller ID : Indicates the controller ID of a storage system. Notes : – The controller ID is unchangeable, if[...]

7-6 Chapter 7 Using Extended Consistency Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide When you specify an extended consistency group and split data volume pairs in the specified group collectivel y, you can specify "Flush" or "Purge" as the suspend mode: – If you specify "Flush", all pairs in the[...]

Chapter 7 Using Extended Consistency Groups 7-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Removing Journal Groups from an Extended Consistency Group The EXCTG Operation window allows you to remove journal groups from a n extended consistency group. To remove journal groups from an extended consistency group, follow the procedure be[...]

7-8 Chapter 7 Using Extended Consistency Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide You can remove journal groups from an extended consistency gro up anytime, regardless of the status of th e jour nal groups. Also, if you delete all data volumes from a journal group in an extended consistency group, the journal group will aut[...]

Chapter 7 Using Extended Consistency Groups 7-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Forcibly Removing Journal Groups from an Extended Consistency Group The Journal Operation window allows you to remove journal groups forcibly from an extended consistency group. Caution : To remove journal groups from an extended consistency g[...]

7-10 Chapter 7 Using Extended Consistency Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

8 Chapter 9 Performing Pair Operations 8-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Performing Pair Operations This chapter explains how to perform remote copy operations with URz, including how to create pairs of a primary data volume and a secondary data volume:  Filtering Information in the List in the Pair Operation Window [...]

8-2 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide To perform remote copy operations with URz, you must create pairs of a primary data volume and a secondary data volume . A primary data volume i s a data volume to be copied. A secondary data volume is a data volume that is the copy destination for a[...]

Chapter 8 Performing Pair Operations 8-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 8-1 Display Filter Window The Display Filter window displays the following: • Host Group : Allows you to select the host group to be displayed. If you select ALL , all host groups will be displayed in the list. • JNL Group : Allows you to [...]

8-4 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Sub Status : Allows you to specify consistency status. The volume pairs in the specified status will be displayed in the li st. For detailed information about consistency status, see section Suspend Types and Table 2-6. • SEQCHK Only : Allows y[...]

Chapter 8 Performing Pair Operations 8-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Creating a Pair of Data Volumes Using the Add Pair window, the administrator of the primary storage system must create pairs of a primary data volume and a secondary data volume. When creating a pair, the administrator can specify options for initial[...]

8-6 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : If more than one primary data volume is specified in the list, you can specify secondary data volumes in three ways. For detailed information, refer to the explanation about the Select Other S-VOL(s) option later in this section. 8. Use the Mi[...]

Chapter 8 Performing Pair Operations 8-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 8-2 Add Pair Window The Add Pair window displays the following: • P-VOL : Indicates a primary data volume. The numbers are the LDKC number, the CU number and the LDEV num ber of the primary data volume. Notes : – P-VOL displays only one pr[...]

8-8 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : If you selected more than one primary data volume, select the secondary data volume for the primar y data volume being displayed. The secondary data volumes for the rest of the primary data volumes are automatically assigned according to the v[...]

Chapter 8 Performing Pair Operations 8-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : R-JNL does not display journal group numbers used by Uni versal Replicator. • DKC : Allows you to select the serial number (the LDKC number) and the controller ID (model name that indicates the model) of the secondary storage system. This op[...]

8-10 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Total Mirror(s) : Indicates the sum of the following: (1) The number of mirrors regist ered in the master journal. (2) The number of mirrors to be added by t he Add Pair window (3) The number of mirrors for volumes in the Preview list in the Pai[...]

Chapter 8 Performing Pair Operations 8-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Displaying Detailed Information about a P air of D ata Volumes The Detailed Information window allows you to view detailed information about a pair of data volumes. To display detailed information about a pair of data volumes, follow the procedure b[...]

8-12 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 8-3 Detailed Information Window The Detailed Information window displays the following: • Status : Indicates the status of the pair. If the pair is split (or sus pended), Status also displays the suspend type. If the pair is waiting for ini[...]

Chapter 8 Performing Pair Operations 8-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – If the volume pair is split and therefore is in Suspend status, Sync. usually displays synchronization rate (i.e., concordance rate) between the secondary data volume before it became split and the secondary data volume after it became split. Fo[...]

8-14 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • R-JNL Group : Indicates the restore journal group. • Mirror ID : Indicates the mirror ID. • S/N(CTRL ID) : displays the five-digit serial number and the controller ID of the secondary storage system. The controller ID is enclosed by parenthe[...]

Chapter 8 Performing Pair Operations 8-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Refresh the Pair Operation window after this window is closed : If this check box is selected, the Pair Operation window will be updated when the Detailed Information window closes. • Previous : Displays the pair status information for the pre[...]

8-16 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Saving Pair Status Inform ation into a Text File The export function of URz enables you to save information about pair status into a text file. The example of the text file is described in Figure 6- 4. Note : You can use the export function only whi[...]

Chapter 8 Performing Pair Operations 8-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide A message appears when URz finishes saving the file. 5. Select OK to close the message. If Subsystem or an LDKC is selected in the tree, you can abort the exporting by clicking the Cancel of the dialog box that is displayed during exporting processi[...]

8-18 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Changing Options for a Data Volume Pair The Change Pair Option window allows you to change options for a pair of data volumes. To change the pair options, follow the proc edure below. Note that only the administrator of the primary storage system ca[...]

Chapter 8 Performing Pair Operations 8-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 8-5 Change Pair Option Wind ow The Change Pair Option window displays the following items that can be configured: • Error Level : Allows you to specify the range used for splitting a pair when a failure occurs. – Group : If a failure occu[...]

8-20 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Splitting a Pair of Data Volumes After the initial copy operation finishes, you can use the Suspend Pair window to split the pair of data volumes. To split one or more pairs, follow the procedure below. Not only the primary storage system administra[...]

Chapter 8 Performing Pair Operations 8-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – The primary data volume becomes reserved when you split the pair. If the secondary data volume is suspended due to a failure, you can restore the pair by using the Resume Pair command. Figure 8-6 Suspend Pair Window The Suspend Pair window displ[...]

8-22 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • In the Preview list, select all but one pair i n the same mirror, right click the selected pairs, and then select Delete . • Suspend Mode : Allows you to specify how to deal with update data that has not been copied to the secondary data volum[...]

Chapter 8 Performing Pair Operations 8-23 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Restoring a Pair of Data Volumes The Resume Pair window ( Figure 8-7) allows you to restore a pair that has been split. In addition, the window allows you to recover a mirror a nd start data copying of URz pair in Hold status in order to perform del[...]

8-24 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – If you want to modify a setting, s elect and right-click the setting and then select Modify. – If you want to cancel a setting, se lect and right-click the setting and then select Cancel . 10. Select Apply to restore pair(s). Note : If an erro[...]

Chapter 8 Performing Pair Operations 8-25 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Group : All pairs in the same mirror(s) as the selected pair(s) will be restored. Note : If the following two conditions are satis fied and you select Apply , a warning message will be displayed and processing cannot be continued: – The Previe[...]

8-26 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Releasing a Pair of Data Volumes The Delete Pair window ( Figure 8 -8) allows you to release a pair of data volumes. When one journal group uses two mirror ID s, the result of the operation differs as follows according to the status of the mirror of[...]

Chapter 8 Performing Pair Operations 8-27 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide To monitor the progress of releasing pair(s), click File , Refresh on th e menu bar of the Storage Navigator main window to update the information in the list, or use the Detailed Info rmation window to monitor the detailed status of each pair. Note[...]

8-28 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Delete Mode : Allows you to specify whether to release the pair(s) forcibly. When the status of the pair(s) to be released is Simplex or Deleting , the default setting is Force . Otherwise, the defa ult setting is Normal : – Force : The pair(s[...]

Chapter 8 Performing Pair Operations 8-29 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 6. Use the Add Pair command in the Pair Operation window to recover the data volume pair. Make sure to select the Entire initial copy option in the Add Pair window. Recovering a Pinned Trac k on a Journal Volume If a pinned track occurs on a URz mas[...]

8-30 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

9 Chapter 9 Usage Monitor Operations 9-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Usage Monitor Operations This chapter describes the Usage Monitoring window which enables you to collect I/O statistics for all volumes to be monitored on the connected storage system:  Reviewing the Usage Monitor Window  Starting and Stopping Usa[...]

9-2 Chapter 9 Usage Monitor Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Reviewing the Usage Monitor Window The Usage Monitoring window enables you to collect I/O statistics for all volumes to be monitored on the connected storage system. The I/O statistics that are displayed in the window are collected by Performance monit[...]

Chapter 9 Usage Monitor Operations 9-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Starting and Stopping Usage Monitoring Starting and stopping usage monitoring can be set usin g Performance Monitor. For detail about starting and stopping usag e monitoring, please refer to Performance Manager User's Guide .[...]

9-4 Chapter 9 Usage Monitor Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Displaying the Usage Monitor Graph When usage monitoring is running, the Usage Monitor window can display user-selected remote copy I/O statistics in real time. The usage monitor graph plots the user-selected I/O statistics (up to 65 data points) on an[...]

Chapter 9 Usage Monitor Operations 9-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note: To stop displaying the usag e monitor graph, right-click the graph, and select Close . To stop displaying all graphs, select Close All . The usage monitor graph closes automatically in the following cases: – When you select another tab, – Whe[...]

9-6 Chapter 9 Usage Monitor Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide M-JNL Asynchronous RIO count The num ber of a synchronous remote I/Os per second at the prim ary storage system.. M-JNL Total Number of Journal The number of journals at the primary storage system. M-JNL Average Transfer Rate The average t ransfer ra t[...]

Chapter 9 Usage Monitor Operations 9-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Saving Monitoring Data in Text Files To save monitoring data in text files, use the Export Tool of Performance Monitor. For information and instructions on using t he Export Tool, please refer to the Performance Manager User’s Guide .[...]

9-8 Chapter 9 Usage Monitor Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Saving Operation History into a Text File The export function enables you to save operation histo ry into a CSV file. Note : You can use the export function only while the client file access is enabled. When the client file access is not e nabled, the [...]

1 0 Chapter 10 Usage Scenarios 10-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Usage Scenarios This chapter describes how to use URz to enables to make Point-in-Time (PiT) duplicates of groups of volumes:  Creating a Point-in-Time Copy of Data Volumes  Performing Disaster Recovery Operations  Establishing 3DC Delta Resync Oper[...]

10-2 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Creating a Point-in-Time Copy of Data Volumes URz enables you to make Point-in-Time (P iT) duplicates of groups of volumes. The term "Point-in-Time (PiT)" refers to an act of obtaining a copy of data immediately when you want to obtain it. The URz c[...]

Chapter 10 Usage Scenarios 10-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide File a nd Databa se Recovery Procedures When the primary storage system (or secondary storage system for URz) suspends a URz pair due to an error condition, the primary storage system or secondary storage system sends sense information with unit check status [...]

10-4 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Switching Operations to the S econdary Site If a disaster or failure occurs at the primary site, the first disaster recovery activity is to use Business Continuity Ma nage r to switch your operations to the remote backup site. The basic procedures for switchi[...]

Chapter 10 Usage Scenarios 10-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 6. If the YKSUSPND command finishes successfully and the splitting ends successfully, you can resume business tasks (i.e., you can start business applications) by using secondary data volumes in the secondary site. Also, if the primary storage system, the sec[...]

10-6 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 7. Verify that pair status of all secondary data volumes (which were o riginally primary data volumes) changes from Pending Duplex to Duplex . If the pair status is changed to Duplex , initial copy operations are finished and consistency is maintained. The ab[...]

Chapter 10 Usage Scenarios 10-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 6. If there is no secondary data volume (which is original ly a primary data volume) whose pair status is other than Suspend (equivalent to SUSPOP with Business Continuity Manager), data in primary data volumes are the same as data in secondary data volumes, [...]

10-8 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Primary host Mast er JNL VOL Exten ded co nsist enc y group Pri mary sto rage sy stem 1 Primary da ta volum e Wri te dat a Mast e r JNL VOL Primary da ta volum e Mast e r JNL VOL Pri mary stor ag e s y stem 3 Primary da ta volum e Secondar y dat a volume Rest[...]

Chapter 10 Usage Scenarios 10-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Disaster Recovery in a 3DC Cascading Configuration If a disaster or failure occurs in the primary site in a 3DC cascading configuration, you can use TCz secondary volumes in t he intermediate site to enable the intermediate site to take over yo ur business ta[...]

10-10 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : YKRECV ER is a command that requests releasing of a pair to the secondary data volume. 2. Use Business Continuity Manager to execute the YKSUSPND REVERSE command on the TCz Synchronous pair. Note : YKSUSPND is a command for splitting a pair and stoppi[...]

Chapter 10 Usage Scenarios 10-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide M-VOL/Prm. data VOL Master JNL VOL Primary site URz Sec. da ta VOL R-VOL JNL VOL TCz Synchron ous TCz Synchron ous secondary site R-VOL/Prm. data VOL Master JNL VOL M-VOL JNL VOL M-VOL JNL VOL Restore J NL V O L R-VOL/Prm. data VOL Mast er JNL VOL 業務 Tas[...]

10-12 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 3. Use Business Continuity Manager to execute the YKRESYNC REVERSE command on the TCz Synchronous pair. The copy direction of the TCz Synchronous pair will be reversed. 4. In the either cases when the primar y/secondary relationship of the TCz Synchronous pa[...]

Chapter 10 Usage Scenarios 10-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide primary site Black ar r ow in dicate s copy di rection. I f an arro w is s ol id, the pair is in Duple x s tatus. If a n arro w is dotte d, the pair is in H old st atus. URz secondary si t e M-VOL Prm . data VOL T a sks Master JNL VOL R-VOL Restor e JNL VOL [...]

10-14 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 10-4 Configuration for 3D C Delta Resync Operations To establish 3DC delta resync operations as shown in Figure 10-4: 1. Create the UR links between the st orage systems. Note that the UR definitions have additional links, as this configuration is als[...]

Chapter 10 Usage Scenarios 10-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide TC target (166#10079): 3. Create journal groups on all three st orage systems (JNLG 01, 02, and 03 in this example). 4. Create the TrueCopy pairs between the TC primary and secondary storage systems. Primary (UR-TC) (151#10031) to TC target (166#10079) Prima[...]

10-16 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide UR target (156#10041) 6. Create the delta resync (long distance UR) pairs. Note: The mirror ID cannot be the same as used in step 5. At this point, UR 3DC delta re sync operations are functi onal. TC target (166#10079) and UR target (156#10041) TC target (16[...]

Chapter 10 Usage Scenarios 10-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Performing Failover and Failba ck for Host Maintenance at the Primary Site This section describes and provides instructions for performing fail over and failback so that host maintenance can be performed a t the primary site. The following procedures can onl[...]

10-18 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 1. Stop operations at the primary site. 2. From the local site, execute the YKSUSPND REVERSE command for the TC pair. – YKQUERY – YKSUSPND REVERSE – YKEWAIT GOTO(SUSPEND) 3. From the local site, execute the YKRESYNC REVERSE command for the TC pair. You[...]

Chapter 10 Usage Scenarios 10-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – YKQUERY – YKRESYNC DELTAJNL – YKEWAIT GOTO(DUPLEX) If the command is successful, the UR pair between the primary and remote sites changes to the HOLD status. 5. Start primary site host maintenance. 6. Start operations at the local site. Operation in [...]

10-20 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – YKSUSPND FORWARD – YKEWAIT GOTO(SUSPEND) 4. From the primary site, execute the YKRESYNC FORWARD command for the TC pair. – YKQUERY – YKRESYNC FORWARD – YKEWAIT GOTO(DUPLEX) If the command is successful, the UR pair between the local and remote si[...]

Chapter 10 Usage Scenarios 10-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 5. From the primary site, execute the YK RESYNC DELTAJNL command for the delta resync pair. – YKQUERY – YKRESYNC DELTAJNL – YKEWAIT GOTO(DUPLEX) If the command is successful, the UR pa ir on the local site and the remote site is moved to the HOLD statu[...]

10-22 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

E Troubleshooting 1 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Troubleshooting This chapter provides troubleshooting information for Universal Replicator for z/OS ® and instructions for calling technical support.  Troubleshooting  Calling the Hitachi Data Systems Support Ce nter[...]

2 Troubleshooting Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Troubleshooting The user is responsible for the operation and normal maintenance of Storage Navigator computers. For troubleshooting information o n Storage Navigator, refer to the Storage Navigator User's Guide . Here are some guidelines for troubleshooting the Stora[...]

Troubleshooting 3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 11-1 General Troubleshooting In fo rmation for Universal Replicator for z/OS ® Error Corrective Action The Hitachi USP V Remote Console softwa re hangs, or URz operations do not function properly. Make sure that all URz requirements and restrictio ns are met (e.g., [...]

4 Troubleshooting Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Resource Shortage (Port) or, Resource Shortage (Pair-Port) The local and remote storage system rejected the request for creating a logical path because all resources in the local and remote storage systems are being used for other connections. Delete the failed path, and a[...]

Troubleshooting 5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Port Number Mismatch The specified port number is not correct, or the cable is not connected to the specified port. Delete the error path. Check the specified port number or ca ble connections, and then retry the operation. Communication Error A timeout erro r has occurred[...]

6 Troubleshooting Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Delete Pair to RCU Primary data volume The primary storage system detected that the secondary data volume status changed to simplex because the user released the pair from the secondary storage system. Release the pair from the primary storage system, and then restore the [...]

Troubleshooting 7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Primary storage system hardware or secondary storage system hardware Hardware redundancy has been l ost due to some blockade condition. As a result, one of the following could not comp lete: pri mary-secondary storage system communication, journal creation, copy operation,[...]

8 Troubleshooting Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Checking Service Information Messages (SIMs) The Hitachi USP V storage system reports a service information message (SIM) to the host when it is necessary to notify t he user of a possible service requirement for the storage system. Th e SIMs are classified according to se[...]

Troubleshooting 9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 11-5 Typical SIM Showing Reference Code and SIM Type Reference Code 22 23 Severity Description USP V reports SIM to host? SIM Generated by SVP Log File 21 80 Moderat e Logical path is blocked due to a failure. Yes. Also see No te below. Primary / Secondary storage sy[...]

10 Troubleshooting Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide When the system option mode 308 is set to OFF, the SIM will not be reported to the host. By default, the system option mode 308 is set to OFF.[...]

Troubleshooting 11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Calling the Hitachi Data Systems Support Cent er If you need to call the Hitachi Data Systems Support Center, make sure to provide as much information about the problem as possible, including: • The circumstances surrounding the error or failure. • The exact content o[...]

12 Troubleshooting Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

Acronyms and Abbreviations-1 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Acronyms and Abbreviations CU control unit ESCON Enterprise System Connection (IBM trademar k for optical channels) I/O input/output IBM International Business Machin es Corporation LAN local-area network LCP local control port LED light-emitting diode LUN logic[...]

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Index Index-1 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Index C consistency status, 2-37 D database recovery, 10-3 disaster recovery file/DB recovery, 10-3 preparing for, 10-2 switching to the remote site, 10-4 duplex (pair status), 2-35 E ERC, 2-18, 10-3 error reporting communications, 2-18, 10-3 F file recovery, 10-3 I I/O time-s[...]

Index-2 Index Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

Index Index-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

Index-4 Index Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide[...]

MP-96RD625-01 Hitachi Data Systems Corporate Headquarters 750 Central Expressway Santa Clara, California 95050-2627 U.S.A. Phone: 1 408 970 1000 www.hds. com info@hds.com Asia Pacific and Americas 750 Central Expressway Santa Clara, California 95050-2627 U.S.A. Phone: 1 408 970 1000 info@hds.com Europe He adquarte rs Sefton Par k Stoke Poges Bucki [...]