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Hitachi 9900 V Series manual

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Table of contents for the manual

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    PRELIMINARY RELEASE Hitachi Freedom Stora g e™ Lightning 9900™ V Series LUN Expansion and V irtual L VI/LUN User ’ s Guide[...]

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    PRELIMINARY RELEASE[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide iii © 2002 Hitachi Data Systems Corporation, ALL RIGHTS RESERVED Notice : No pa rt of this publication may be reprodu ced or transmitted in any form or by any means, electronic or mec hanical, including ph otocopying and rec ording, or stored i[...]

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    PRELIMINARY RELEASE iv Preface Trademarks Hitachi Data Systems is a r egistered trademark and service mark of Hitachi, L td. The Hitachi Data Systems design mark is a tr ademark and service mark of Hitachi, Ltd. Hi-Track is a registered se rvice mark of Hitachi Data Systems Corp oration. Graph-Track, Freedom Storage, Lightnin g 9900V are trademarks[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide v Notice of Export Controls Export of technical data contained in this document may require an export lic ense from the United States government and/or the govern ment of Japan. Contact the Hitachi Data Systems Legal Department for any export co[...]

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    PRELIMINARY RELEASE vi Preface[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide vii Preface This Hitachi Freedom St orage™ Lightning 9900™ V Serie s LUN Expansion Virtual LVI/LU N User’s Guide provides instruction s for using these option s on the 9900V Remote Console, using the web client Java™ applet program for t[...]

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    PRELIMINARY RELEASE viii Preface[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide ix Contents Chapter 1 Overview of LUN Expansi on and Virtua l LVI/LUN ............................................................... 1 1.1 Overview of LUSE Operations ................................................................... 1 1.2 Ove[...]

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    PRELIMINARY RELEASE x Contents List of Figures Figure 1.1 LUSE config uration ......................................................................... 3 Figure 1.2 Illustration of Virtual LVI/LUN Operations ............................................. 4 Figure 1.3 Volume Config uration .............................................................[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide xi List of T ables Table 1.1 LUSE Specif ications......................................................................... 2 Table 1.2 VLL LUSE Spec ifications ................................................................... 2 Table 1.3 Virtu[...]

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    PRELIMINARY RELEASE xii Contents[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 1 Chapter 1 Overview of LUN Expansion and Vi rtual L VI/LUN 1.1 Overview of LUSE Operations LUSE operations allow hosts that can only use a limited amount of LUs per fibr e interface to have access to larger amounts of data usin g expanded LUs. [...]

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    PRELIMINARY RELEASE 2 Chapter 1 Overview of LUN Expansion an d Virtual LVI/LUN Table 1.1 LUSE Specifications Parameter OPEN-8 OPEN-9 OPEN-E OPEN-L LU Capacity 7.3 GB 7.3 GB 14.5 GB 36.4 GB Possible number of expanded LUs 2 - 36 LUs 2 - 36 LUs 2 - 36 LUs 2 - 36 LUs Expanded LU Capacity 14.6 GB - 264.4 GB 14.7 GB - 265.8 GB 29.1 GB - 524.4 GB 72.9 GB[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 3 LDEV (1:00) LDEV (1:01) LDEV (1:03) LDEV (1:04) LDEV (1:05) LUSE (1:00) Host The host rec ognizes a set of LDEVs as one big LDEV . Figure 1.1 LUSE Configuration[...]

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    PRELIMINARY RELEASE 4 Chapter 1 Overview of LUN Expansion an d Virtual LVI/LUN 1.2 Overview of Virtual LVI/LUN 1.2.1 Virtual LVI/LUN Parameters The Virtual LVI/LUN (VLL) option allows you to configure variable-s ize volumes, which are usually smaller than normal (fixed-size) vo lumes. Virtual LVI/LUN improves data access performance by reducing log[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 5 Note: Virtual LVI/LUN used in conjuncti on with F lashAccess ca n achiev e g reater p erforma nce improvements than when either of these opti ons is used individually. For more info rmation on FlashAccess, see Hitachi Freedom Sto rage™ Light[...]

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    PRELIMINARY RELEASE 6 Chapter 1 Overview of LUN Expansion an d Virtual LVI/LUN A normal volume consists of a certain number of fixed volumes, depending on the emulation type, and some free space. A Virtual LVI/LUN vo lume usually consists of at least one fixed volume (FV), customized volumes (CV or VLL vo lumes), and free space (see Figure 1.3). FV[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 7 Table 1.3 lists the Virtual LVI/LUN specific ation s, and Table 1.4 lists the mini mum and maximum Virtual LVI/LUN volume cap acities for open systems. Each Virtual LVI/LUN volume has its own assigned unit control block (UCB), an d multiple LV[...]

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    PRELIMINARY RELEASE 8 Chapter 1 Overview of LUN Expansion an d Virtual LVI/LUN Table 1.4 Minimum and Maximum Virtu al LUN Volume Capacities (Open Systems) Setting size (MB) Actual Size (MB) Notes 35 35.15625 Minimum VLL vol ume capacity 500 500.625 1000 1000.546875 2000 2000.390625 2347 2347.0312 5 Maximum OPEN-3 volu me size 7007 7007.3437 5 Maxim[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 9 1.2.2 Virtual LVI/LUN Size Calculation The Virtual LVI/LUN Remote Console function en ables you to configur e LDEVs by dividi ng them into several devices. Virtual LVI/LUN allows you to assign a specif ic number of physical cylinders or MB to [...]

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    PRELIMINARY RELEASE 10 Chapter 1 Overview of LUN Expansion an d Virtual LVI/LUN 1.2.3 SSID Requirements) The 9900V subsystem i s configured with one SSID for each of 256 devices and up to four SSIDs per CU image. Each SSID must be unique with in each host system. Table 1.6 shows the relationship between emulation types of controllers and SSIDs. Tab[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 11 Chapter 2 Preparing T o Use LUN Expansion or V irtual L VI/LUN 2.1 Set Up the 9900V Subsystem and Remote Console PC(s) Before launching LUN Expansion or Virt ual LVI/LU N, you must take several preliminary steps . For detailed instructions, p[...]

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    PRELIMINARY RELEASE 12 Chapter 2 Preparing to Use LUN Expansion or Virtual LVI/LUN Figure 2.1 Remote Console Main Panel, I nformation Tab[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 13 2.3 Changing to Modify Mode If you are going to implement any changes for LUN Expansion or Virtual LVI /LUN, you must be in Modify mode. The subsystem inf ormation icons (see Figure 2.2) are on th e upper right corner of the Remote Console Ma[...]

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    PRELIMINARY RELEASE 14 Chapter 2 Preparing to Use LUN Expansion or Virtual LVI/LUN Figure 2.2 View Mode Figure 2.3 Mode Changing Confir mation Message Figure 2.4 Modify Mode[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 15 Chapter 3 LUN Expansion (LUSE) Operations 3.1 The LUSE/VLL Panel, LUSE Tab Components The LUN Expansion (LUSE)/Virtual LVI/LUN (VLL) button ( ) opens the LUSE/VLL panel. The LUSE tab is the default view (see Figure 3.1). Figure 3.1 LUSE/VLL M[...]

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    PRELIMINARY RELEASE 16 Chapter 3 LUN Expansion (LUSE) Operations The LDEV Information outline (see Figure 3.2) is on the upper left of the panel. Figure 3.2 LDEV Information Ou tline Detail (From the LUSE/VLL Panel, LUSE Tab) LDEV Information outline display s an outline vi ew of the CU and LDEV numbers installed on the subsystem (e.g., CU 00 and h[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 17 The LDEV table is on the upper right corner of the LUSE tab, and displays data for the LDEV that you have selected in the LDEV Information outline. Figure 3.3 LDEV Detail Table (From the LUSE/VLL Panel, LUSE Tab) The LDEV Detail table display[...]

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    PRELIMINARY RELEASE 18 Chapter 3 LUN Expansion (LUSE) Operations The LDEV Operation detail is on the lower right of the LUSE tab. Figure 3.4 LDEV Operation Detail (From the LUSE/VLL Panel, LUSE Tab) The LDEV Operation detail has the following features:  The Select a Free LDEV drop-down box lists the free LDEVs of the selected CU.  The Expande[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 19 3.2 LUSE Operations LUSE operations include the following:  Creating LUSE volumes (see section 3.2.1),  Releasing LUSE volumes (see sect ion 3.2.2), and  Changing LUSE capacitie s (see section 3.2.3). 3.2.1 Creating a LUSE Volume WAR[...]

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    PRELIMINARY RELEASE 20 Chapter 3 LUN Expansion (LUSE) Operations Figure 3.5 Set LUSE Confirmation Panel Figure 3.6 Apply Confirmation Message Figure 3.7 Cancel Confirmation Message[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 21 3.2.1.2 Creating a LUSE Volu me From the LDEV Table 1. Change to Modi fy mode (refer to section 2.3 if you need instructions). Select the LUN Expansion (LUSE)/Virtual LVI/LUN (VLL) button ( ) to open the LUSE/VLL panel. The LUSE tab is the de[...]

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    PRELIMINARY RELEASE 22 Chapter 3 LUN Expansion (LUSE) Operations Figure 3.8 Selecting Free LDEVs for LUSE Volume Figure 3.9 Set LUSE Volume Pop-Up Menu[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 23 3.2.2 Releasing a LUSE Volume WARNING: Releasing LUSE volumes is a destructive oper ation. Move and/or back up your data before proceeding. 1. Change to Modi fy mode (refer to section 2.3 if you need instructions). Select the LUN Expansion (L[...]

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    PRELIMINARY RELEASE 24 Chapter 3 LUN Expansion (LUSE) Operations Figure 3.10 Selecting LUSE Volume(s) To Be Released Figure 3.11 Release LUSE Volume Pop-Up Menu[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 25 Figure 3.12 Release LUSE Confirmation Panel 3.2.3 Changing LUSE Capacities You may not change the capacity of an exist ing LUSE volume. If you want a LUSE volume to have a different capacity, you must release the LUSE volume (refer to section[...]

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    PRELIMINARY RELEASE 26 Chapter 3 LUN Expansion (LUSE) Operations[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 27 Chapter 4 Vi rtual L VI/LUN (VLL) Operations 4.1 The Virtual LVI/LUN Panels 4.1.1 LUSE/VLL Panel, VLL Tab The LUN Expansion (LUSE)/Virtual LVI/LUN (VLL) button ( ) opens the LUSE/VLL panel. The LUSE tab is the default view. Select the VLL tab[...]

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    PRELIMINARY RELEASE 28 Chapter 4 Virtual LVI/LUN Operations The Parity Group - LDEV outline (on the upper left of the VLL tab; see Figure 4.2) shows the hierarchical structure of the subsystem, inc luding a disk group number (e.g., Box 1), the parity group number (e.g., 1-1), the RAID level (e.g., 3D+1P), and the CU number (e.g., 1-1- (1). Figure 4[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 29 When you select a Control Unit in the Parity Group – LDEV outline, the LDEV Information table (on the upper right of the VLL tab; see Figure 4.3) displays informati on about the logical volumes in th at control unit.) Figure 4.3 LDEV Inform[...]

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    PRELIMINARY RELEASE 30 Chapter 4 Virtual LVI/LUN Operations 4.1.2 Set SSID Panel Figure 4.4 Set SSID Panel[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 31 The Set SSID panel has th e following features:  The SSID outline displays CU numbers (e.g., CU 00), SSID boundary areas (e.g., 00-3F), and SSID (e.g., 0004). ---- indicates a boundary area with no SSID indicates that the CU number is not [...]

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    PRELIMINARY RELEASE 32 Chapter 4 Virtual LVI/LUN Operations 4.2 Virtual LVI/LUN Operations Before starting a VLL operation on a selected disk subsystem, be su re to disconnect the mainframe volume s from the host and/or remove the LU paths to the open volumes. For instructions on remo ving LU paths, see Hitachi Freedom Storage™ Lightning 9900™ [...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 33 To convert a normal volume to free space: 1. Change to Modi fy mode (refer to section 2.3 if you need instructions). Select the LUN Expansion (LUSE)/Virtual LVI/LUN (VLL) button ( ) to open the LUSE/VLL panel. The LUSE tab is the default view[...]

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    PRELIMINARY RELEASE 34 Chapter 4 Virtual LVI/LUN Operations Figure 4.5 Volume to Space Pop-Up Menu Figure 4.6 Volume to Space Confirmation Panel[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 35 4.2.2 Creating VLL volumes The Install VLL volume function allows you to define and install one or more Virtual LVI/LUN volumes under an existing volume. Note: The Install VLL volume Funct ion allocate s VLL volumes in the order in which the [...]

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    PRELIMINARY RELEASE 36 Chapter 4 Virtual LVI/LUN Operations 5. After creating all of the VLL volum es y ou want to create, select the Next button to display the Install CV Panel (2) (see Figure 4.10), which will display the VLL volumes to be created in the table on the top. In this panel: a) Select one or more VLL vol ume numbers to which you want [...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 37 Figure 4.7 Install CV Pop-Up Menu Figure 4.8 Install CV Panel (1) Figure 4.9 Clear Pop-Up Menu[...]

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    PRELIMINARY RELEASE 38 Chapter 4 Virtual LVI/LUN Operations Figure 4.10 Install CV Panel (2) Figure 4.11 Set SSID Panel (Installing VLL Volumes )[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 39 Figure 4.12 Install CV Confirmation Panel[...]

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    PRELIMINARY RELEASE 40 Chapter 4 Virtual LVI/LUN Operations 4.2.3 Deleting a VLL volume To delete an individual Virtual LVI/LUN volum e within an LDEV or parity group, use the volume to space operation (refer to se ction 4.2.1). To convert a Virtual LVI/LUN volume to a norm al volume, you mu st initialize the volume (see section 4.2.4). 4.2.4 Initi[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 41  To initialize a VLL volume: 1. Change to Modi fy mode (refer to section 2.3 if you need instructions). Select the LUN Expansion (LUSE)/Virtual LVI/LUN (VLL) button ( ) to open the LUSE/VLL panel. The LUSE tab is the default view (refer to[...]

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    PRELIMINARY RELEASE 42 Chapter 4 Virtual LVI/LUN Operations 9. You will be returned to the VLL tab. The change is not yet implemented in the subsystem, but the following changes will appear in the VLL tab: a) The figures in the Capacity column will not yet be updated. b) The color of the CU icon that you manip ulated in the Parity Group - LDEV outl[...]

  • Page 55

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 43 Figure 4.14 Volume Initialize Panel Figure 4.15 Clear Pop-Up Menu[...]

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    PRELIMINARY RELEASE 44 Chapter 4 Virtual LVI/LUN Operations Figure 4.16 Set SSID Panel (Volume Initialize) Figure 4.17 Volume Initialize Confirmation Panel[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 45 Chapter 5 T roubleshooting 5.1 Troubleshooting For troubleshooting inf ormation on the 9900V subsystem, please refer to the Hitachi Freedom Storage™ Lightning 9900™ V Series User and Refe rence Guide (MK-92RD100). For information on the 9[...]

  • Page 58

    PRELIMINARY RELEASE 46 Chapter 5 Troubleshooting Table 5.1 General Error Conditions Error Condition Probable Cause / Recommended Action The Remote Console experiences an error. Save the Java™ log f ile on the Remote Co nsole, and report to the Hitach i Data Systems Technica l Support Center. For Windows ® 2000, the J ava™ log file is in the fo[...]

  • Page 59

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 47 5.2 Calling the Hitachi Data S ystems Technical Support Center If you need to call the Hitachi Data Systems Te chnical Support Center, be sure to provide as much information about t he problem as possible. Include the cir cumstances surroundi[...]

  • Page 60

    PRELIMINARY RELEASE 48 Chapter 5 Troubleshooting[...]

  • Page 61

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 49 Glossary , Acronyms, and Abbreviations Command Control Interface (CCI) System administrators ca n enter Command Control Interface (CCI) commands from open-system hosts to perform Hit achi TrueCopy and ShadowImage operation s on logical device[...]

  • Page 62

    PRELIMINARY RELEASE 50 Glossary, Acronyms and Abbreviations kB kilobyte(s) LAN local-area network LBA logical block address LDEV logical device. An LDEV used by mainframe hosts can be called a device, logical volume image (LVI) or a volum e. An LDEV used by open-system hosts is called a logical unit (LU). LU An LDEV used by open-system host s is ca[...]

  • Page 63

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 51 copy operations between 9900V subsyste ms in dif ferent locations for data backup and disaster recovery purposes. UCB unit control block User account list The user account list includes user in formation suc h as user ID, password, and write [...]

  • Page 64

    PRELIMINARY RELEASE 52 Glossary, Acronyms and Abbreviations[...]