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IBM MegaRAID 8480 manual

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Table of contents for the manual

  • Page 1

    ® IBM P/N: 42D8846 MegaRAID ® 8480 Storage Adapter USER’S GUIDE Jul y 2007[...]

  • Page 2

    ii Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. This document contains cop yr ighte d inf or mation of LSI Cor poration. LSI products are not intende d for use in lif e-suppor t appliances, de vices, or systems. Purchase of I 2 C components of LSI Cor poration, or one of its sub licensed Associated Companies, con ve ys a lice[...]

  • Page 3

    MegaRAID 8480 Storage Adapter User’ s Guide iii Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Preface This book is the primar y reference and user’ s guide f or the LSI MegaRAID ® 8480 RAID Storage Adapter . It contains installation instructions and specifications for the adapter . F or details on how to configure the sto[...]

  • Page 4

    iv Pref ace Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. • Appendix A, Glossary of T erms and Abbreviations , lists and e xplains the ter ms and abbre viations used in this manual. Related Publications MegaRAID Battery Backup Unit User’ s Guide IBM Document Numb er : 42D8847 This document e xplains how to inst all and use[...]

  • Page 5

    Pref ace v Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Con ventions Throughout the manual, the con ventions described in the f ollowing table are used to describe user interaction with the product: Note: Notes contain supplementar y inf or mation that can aff ect system perf or mance. Attention : Attention notices identify a[...]

  • Page 6

    vi Pref ace Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. IBM Customer Support If you ha ve f eedback or questions, y ou can contact IBM. E-mail: askibm@vnet.ibm.com Phone: (T oll free) 1-800-IBM-4Y OU (1-800-426-4968) We b si t e : https://www .ibm.com/suppor t/us/fbmast.html Safety Instructions Use the f ollowing saf ety gui[...]

  • Page 7

    Pref ace vii Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. • T o help a void possib le damage to the system board, wait 5 seconds after you turn off the system befor e y ou remov e a component from the system board or disconnect a peripheral device from the computer . • T o help pre vent electric shoc k, plug the computer [...]

  • Page 8

    viii Pref ace Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. • When you disconnect a cab le, pull on its connector or on its strain-relief loop , not on the cable itself . Some cables hav e a connector with locking tabs; if y ou are disconnecting this type of cable , press in on the locking tabs bef ore you disconnect the cab[...]

  • Page 9

    MegaRAID 8480 Storage Adapter User’ s Guide ix Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Contents Chapter 1 Overview 1.1 Overview 1-1 1.2 MegaRAID 8480 RAID Controller Description 1-3 1.2.1 Controller Limitations 1-3 1.3 General Description 1-3 1.4 Configuration Scenario 1-4 1.4.1 Number of Ph ysical Disks Suppor ted 1-6[...]

  • Page 10

    xC o n t e n t s Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Drive Bo x es and Dr iv e Expanders 2-8 2.5 Replacing a F ailed Controller Containing Data in the LSIiTBBU02 2-9 2.6 After Installing the Storage Adapter 2-10 Chapter 3 MegaRAID 8480 Storage Adapter Characteristics 3.1 MegaRAID 8480 RAID Controller 3-1 3.1.1 MegaRA[...]

  • Page 11

    Contents xi Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Figures 1.1 Example of LSI SAS Direct-Connect Application 1-5 1.2 Example of RAID Controller Configured with LSISASx12 Expand- er 1-6 2.1 Example of MegaRAID Board Installation in a PCI Express Slot 2-4 2.2 Internal SAS Cable for Connec tion to SAS and/or SA T A II Phys[...]

  • Page 12

    xii Contents Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved.[...]

  • Page 13

    Contents xiii Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Ta b l e s 1.1 Ph ysical Dr iv es Required for Each RAID Le vel 1-6 1.2 MegaRAID 8480 Storage Adapter Specifications 1-14 3.1 MegaRAID 8480 RAID Controller – Connectors 3-3 3.2 MegaRAID 8480 Characteristics 3-4 3.3 Storage Adapter Specifications 3-5 3.4 Arra y P erf[...]

  • Page 14

    xiv Contents Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved.[...]

  • Page 15

    MegaRAID 8480 Storage Adapter User’ s Guide 1-1 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Chapter 1 Overview This section provides a gener al overview of the Megaraid 8480 Stor age Adapter with RAID control capabilities. It consists of the f ollowing sections: • Section 1.1, “Ov er view” • Section 1.2, “MegaRAI[...]

  • Page 16

    1-2 Overview Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. two similar technologies on the same controller and within the same enclosure. Note: Y ou cannot mix SAS and SA T A drives within the same vir tual disk(s) . The MegaRAID 8480 Storage Adapter is based on the LSI first-to-market SAS IC technolog y and prov en MegaRAID t[...]

  • Page 17

    MegaRAID 8480 RAID Controller Description 1-3 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. 1.2 MegaRAID 8480 RAID Contr oller Description The MegaRAID 8480 Storage Adapter is a vailab le with eight PHYs. The MegaRAID 8480 has one Intel IOP333 I/O processor that controls eight e xter nal SAS/SA T A por ts through two SAS 4x e [...]

  • Page 18

    1-4 Overview Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. The RAID controller suppor ts the SAS protocol as described in the Serial Attached SCSI Standard , version 1.1 . The controller also suppor ts the Serial A T A II (SA T A II) protocol defined by the Serial A T A specification, version 1.0a . SA T A II is an extension t[...]

  • Page 19

    Configuration Scenario 1-5 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Figure 1.1 Example of LSI SAS Direct-Connect Application Flash ROM/ SAS PCI Express RAID Controller SAS/SA T A II Device 32-Bit Memory Address/Data Bus PSBRAM/ I 2 C SAS/SA T A II De vice SAS/SA T A II De vice SAS/SA T A II De vice PCI Express Interface N[...]

  • Page 20

    1-6 Overview Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Figure 1.2 shows an e xample of a RAID controller configured with an LSISASx12 e xpander that is connected to SAS devices . Figure 1.2 Example of RAID Controller Configured with LSISASx12 Expander 1.4.1 Number of Physical Disks Supported Y our configuration planning f [...]

  • Page 21

    Benefits of the SAS Interf ace 1-7 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. 1.5 Benefits of the SAS Interface SAS is a serial, point-to-point, enter prise-lev el device interf ace that le verages the pro ven SCSI protocol set. SAS is a con vergence of the advantages of SA T A II, SCSI, and fi bre channel, and is the futur[...]

  • Page 22

    1-8 Overview Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. 1.5.1 PCI Express Ar chitecture PCI Express is a local bus system designed to increase data tr ansfers without slowing do wn the central processing unit (CPU). Y ou can install MegaRAID PCI Express storage adapter s in PCI Express computer systems with a standard brac [...]

  • Page 23

    Summar y of MegaRAID 8480 RAID Controller Characteristics 1-9 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. • T wo external connectors • Suppor t for RAID le vels 0, 1, 5, 10, and 50 • Adv anced array configur ation and management utilities • Online RAID le vel migr ation • Drive migr ation • Drive roaming • P at[...]

  • Page 24

    1-10 Overview Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. • Suppor ts SA T A II data transf ers of 3.0 Gbits/s • Suppor ts STP data transf ers of 3.0 Gbits/s • Provides a serial, point-to-point storage interf ace • Simplifies cabling betw een devices • Eliminates the master-slav e construction used in parallel A T [...]

  • Page 25

    Summar y of MegaRAID 8480 RAID Controller Characteristics 1-11 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. • Suppor ts the inter nal SAS Sideband signal SFF-8485 (SGPIO) interf ace 1.6.5 Flexibility Features These f eatures increase the flexib ility of the MegaRAID 8480 RAID controller : • Suppor ts a Flash ROM interf ac[...]

  • Page 26

    1-12 Overview Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Step 4. Deter mine the SAS target requirements . Step 5. P erform a safety chec k. a. Make sure the driv es are inser ted proper ly . b . Close the cabinet of the host system. c. T ur n power on after completing the saf ety check. Step 6. P ower-on the system. The con[...]

  • Page 27

    Hardware Specifications 1-13 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Step 3. Open the host systems by f ollowing the instructions in the host system technical documentation. Step 4. Remov e the SAS cable connectors from the internal drives or the shielded cables from the e xter nal drives you w ant to migrate . a. Make s[...]

  • Page 28

    1-14 Overview Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. 1.8 T ec hnical Suppor t See the W arranty and Suppor t Inf or mation document f or information about the technical suppor t av ailable f or this product. T able 1.2 MegaRAID 8480 Storage Adapter Specifications Specification Megaraid 8480 Storage Adapter RAID Le vels [...]

  • Page 29

    MegaRAID 8480 Storage Adapter User’ s Guide 2-1 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Chapter 2 MegaRAID 8480 Har d ware Installation This chapter describes the proce dures used to install the MegaRAID 8480 Storage Adapter. It consists of the f ollowing sections: • Section 2.1, “Requirements” • Section 2.2, ?[...]

  • Page 30

    2-2 MegaRAID 8480 Hardware Installation Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. 2.2 Quic k Installation The f ollowing steps are f or quick MegaRAID 8480 Storage Adapter installation. These steps are f or experienced computer users/installers. Section 2.3, “Detailed Installation, ” contains the steps f or all others [...]

  • Page 31

    Detailed Installation 2-3 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. – A CD containing MegaRAID drivers f or suppor ted operating systems , an electronic version of this User’ s Guide , and other related documentation – A license agreement – W arranty inf or mation Step 2. T ur n off the P ower to the System Re view[...]

  • Page 32

    2-4 MegaRAID 8480 Hardware Installation Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Figure 2.1 Example of MegaRAID Board Installation in a PCI Express Slot Step 7. Configure and Install the SAS and/or the SA T A II Devices in the Host Computer Case Ref er to the documentation for the de vices f or any preinstallation configu[...]

  • Page 33

    Detailed Installation 2-5 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. The maximum cab le length is six external meters. Y ou can connect one de vice per SAS PHY unless you use an e xpander . System throughput problems can occur if the SAS cab les are not the correct type. T o minimize the potential f or problems: a. Use cabl[...]

  • Page 34

    2-6 MegaRAID 8480 Hardware Installation Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. CD . Be sure to use the latest Ser vice P acks pro vided by the operating system manuf acturer and to revie w the readme file that accompanies the driver . 2.4 SAS Device Cab les This section describes the cables used on the RAID controller a[...]

  • Page 35

    SAS De vice Cables 2-7 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. on a backplane . A SA T A II connector consists of a signal connector and a power connector . Figure 2.3 SA T A II Connectors Figure 2.4 shows SAS and SA T A II connectors on SAS and SA T A II ph ysical disks, respectiv ely . Cab les are used for connection b[...]

  • Page 36

    2-8 MegaRAID 8480 Hardware Installation Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Figure 2.4 SAS and SA T A II Plugs and SAS Backplane Receptacle Connector The f ollowing subsection provides step-b y-step instr uctions f or connecting the MegaRAID 8480 RAID controller to SAS and SA T A II ph ysical disks, either directly o[...]

  • Page 37

    Replacing a F ailed Controller Cont aining Data in the LSIiTBBU02 2-9 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Figure 2.5 Connecting the MegaRAID 8480 RAID Controller with External Connectors to a Drive Bo x or Drive Enclosure 2.5 Replacing a F ailed Contro ller Containing Data in the LSIiTBBU02 The MegaRAID intelligible [...]

  • Page 38

    2-10 MegaRAID 8480 Hardware Installation Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. F ollow these steps to replace a f ailed controller with data in the transpor tab le batter y backup unit. Step 1. Re view all saf ety information provided with the ser v er ; then, pow er down the ser v er and the dr iv es. Step 2. Remov e [...]

  • Page 39

    MegaRAID 8480 Storage Adapter User’ s Guide 3-1 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Chapter 3 MegaRAID 8480 Storage Adapter Characteristics This chapter describes the characteristics of the LSI MegaRAID Ser ial Attached SCSI/Serial A T A II 8480 RAID Storage Adapter. It consists of the f ollowing sections: • Sect[...]

  • Page 40

    3-2 MegaRAID 8480 Storage Adapter Characteristics Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. 3.1.1 MegaRAID 8480 RAID Controller The MegaRAID 8480 PCI Express Disk Arra y RAID Controller has one Intel IOP333 I/O processor , which cont rols eight inter nal SAS/SA T A por ts through two SAS 4x internal connectors. This subsec[...]

  • Page 41

    MegaRAID 8480 RAID Controller 3-3 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. T able 3.1 MegaRAID 8480 RAID Controller – Connector s Connector Description T ype Comments J2 DIMM Sock et Sock et Holds cache memor y module. J3 P or ts 0–3 x4 SAS por ts SAS 4x connector that connects to ph ysical dr iv es and expanders. J5 [...]

  • Page 42

    3-4 MegaRAID 8480 Storage Adapter Characteristics Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. 3.2 MegaRAID 8480 Storage Adapter Characteristics Ta b l e 3 . 2 shows the general char acte r istics f or the MegaRAID 8480 RAID controller. The MegaRAID 8480 RAID controller ensures data integrity by intelligently validating the c[...]

  • Page 43

    T echnical Specifications 3-5 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. The MegaRAID 8480 RAID controlle r and the LSIiTBBU02 are CSA C22.2 No . 60950-1, UL 60950-1 First Edition listed Accessor y , UL file number E257743. 3.3.1 Storage Adapter Specifications Ta b l e 3 . 3 lists the specifications f or th e MegaRAID 8480 [...]

  • Page 44

    3-6 MegaRAID 8480 Storage Adapter Characteristics Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. 3.3.2 Array P erformance Features Ta b l e 3 . 4 shows the MegaRAID 8480 Stor age Adapter array perf or mance f eatures. 3.3.3 Fault T olerance Ta b l e 3 . 5 shows the f ault tolerance f eatures of the Megaraid 8480 Storage Adapter[...]

  • Page 45

    T echnical Specifications 3-7 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. 3.3.4 Electrical Characteristics This subsection provides the po wer requirements f or the MegaRAID 8480 RAID controller. Ta b l e 3 . 6 lists the maximum pow er requirements. 3.3.5 Operating and Non-operating Conditions F or the MegaRAID 8480 RAID con[...]

  • Page 46

    3-8 MegaRAID 8480 Storage Adapter Characteristics Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved.[...]

  • Page 47

    MegaRAID 8480 Storage Adapter User’ s Guide A-1 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. Appendix A Glossary of T erms and Abbre viations active termination The electrical connection required at each end of the SCSI bus, composed of active v oltage regulation and a set of ter mination resistors. array An arr ay of disk [...]

  • Page 48

    A-2 Glossar y of T er ms and Abbre viations Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. architectures. Fusion-MPT architecture off ers a single binar y , operating system driver that suppor ts both Fibre Channel and SCSI de vices. host The computer system in which a storage adapter is installed. It uses the storage adapter t[...]

  • Page 49

    A-3 Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. peripheral devices A piece of hardware (such as a video monitor , disk drive , pr inter , or CD-ROM) used with a computer and under the control of the computer . SCSI peripherals are controlled through a MegaRAID 8480 Storage Adapter (host adapter). PHY The interf ace required [...]

  • Page 50

    A-4 Glossar y of T er ms and Abbre viations Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved. SAS device Any de vice that conf or ms to the SAS standard and is attached to the SAS bus b y a SAS cable . Th is includes SAS storage adapters (host adapters) and SAS peripherals. SA T A Acronym f or Serial Advanced T echnology Attachmen[...]