Manuale d’uso / di manutenzione del prodotto MegaRAID 8480 del fabbricante IBM
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® IBM P/N: 42D8846 MegaRAID ® 8480 Storage Adapter USER’S GUIDE Jul y 2007.
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.
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 .
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.
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.
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 .
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 .
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 .
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.
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.
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.
xii Contents Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved..
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.
xiv Contents Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved..
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.
1-2 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.
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.
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.
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/S.
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.
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.
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).
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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 .
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 .
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 sub.
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.
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.
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.
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.
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.
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.
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.
3-6 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 .
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.
3-8 MegaRAID 8480 Storage Adapter Characteristics Copyright © 2006-2007 b y LSI Co r poration. All rights reser ved..
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.
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.
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).
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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il IBM MegaRAID 8480 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del IBM MegaRAID 8480 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso IBM MegaRAID 8480 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul IBM MegaRAID 8480 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il IBM MegaRAID 8480, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del IBM MegaRAID 8480.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il IBM MegaRAID 8480. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo IBM MegaRAID 8480 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
