Manuale d’uso / di manutenzione del prodotto 25083 del fabbricante LSI
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41450-02 Re v . B MegaRAID ® 6Gb/s SAS RAID Controllers USER’S GUIDE November 2009.
ii Cop yright © 2009 by LSI Corporati on. All rights reserved. This document contain s propr ietar y information of LSI Cor poration. The information contained herein is not to be used by or disclosed to third par ties without the express written per mission of an o fficer of LSI Cor poration.
MegaRAID 6Gb/s SAS RAID Controllers U ser’ s Guide iii Cop yright © 2009 by LSI Corporati on. All rights reserved. Preface This docum ent is the pr imar y reference and u ser’ s guide for the LSI MegaRAID ® Serial Attached SCSI /SA T A II RAID contro llers based on the 6Gb/s SAS/SA T A RAI D On-a-Chip de vices.
iv Pref ace Cop yright © 2009 by LSI Corporati on. All rights reserved. • MegaRAID SAS 9280-8e PCI Expr ess 2.0 Low-Profile Serial- Attached SCSI/SA T A II Disk Ar ra y Controller with Exter nal Connectors • MegaRAID SAS 9280DE-8e PCI Express 2.
Pref ace v Cop yright © 2009 by LSI Corporati on. All rights reserved. Related Publications MegaRAID SAS Devi ce Driver Installati on User’ s Guide Document Number : 80-001 63-01 Rev . D This documen t describes how to install the MegaRAID de vice driv er f or yo ur operating syste m.
vi Pref ace Cop yright © 2009 by LSI Corporati on. All rights reserved. Con ventions The f ollowing tab le describes how the user inter acts with the product.
Pref ace vii Cop yright © 2009 by LSI Corporati on. All rights reserved. Safety In structions Use the follo wing saf ety guid elines to help p rotect your computer sys tem from potential da mage and to ensure y our own personal saf ety .
viii Pref ace Cop yright © 2009 by LSI Corporati on. All rights reserved. • Mak e sure that equipment does not re st on your compu ter system cabl es and that the cab les are not located where t hey can be stepped on or tripped o ver . • Do not spill f ood or liquids on yo ur computer .
Pref ace ix Cop yright © 2009 by LSI Corporati on. All rights reserved. Protecting Against Ele ctrostatic Discharge – Static e lectricity can harm delicate components inside yo ur computer .
xP r e f a c e Cop yright © 2009 by LSI Corporati on. All rights reserved..
MegaRAID 6Gb/s SAS RAID Controllers U ser’ s Guide xi Cop yright © 2009 by LSI Corporati on. All rights reserved. Contents Chapter 1 Overvie w 1.1 Overview 1-1 1.2 SAS Controller Descriptions 1-3 1.3 Gene ral Description 1-4 1.4 Con figuration Scenarios 1-6 1.
xii Contents Cop yright © 2009 by LSI Corporati on. All rights reserved. Connectors to Drives 2-9 2.5.2 Connecting the SAS RAID Contr oller with Exter nal Connectors to a Drive Enclosu re 2-10 Chapter 3 MegaRAID SAS RAID Controller Characteristics 3.
Contents xiii Cop yright © 2009 by LSI Corporati on. All rights reserved. Customer Feedbac k.
xiv Contents Cop yright © 2009 by LSI Corporati on. All rights reserved..
Contents xv Cop yright © 2009 by LSI Corporati on. All rights reserved. Figures 1.1 Example of an LSI SAS Di rect-Connect Application 1-7 1.2 Example of an LSI SAS RAID Controller Co nfigured with an LSISASx12 Expand er 1-7 2.1 Example of the MegaRAID SAS 9260-8i Board Installation in a PCI Express Slot 2-4 2.
xvi Contents Cop yright © 2009 by LSI Corporati on. All rights reserved..
Contents xvii Cop yright © 2009 by LSI Corporati on. All rights reserved. Ta b l e s 1.1 SAS RAID Controller Array Limitations 1-11 1.2 MegaR AID 6Gb/s SAS RAI D Controller Features 1-17 3.1 SAS 9240-4i/SAS 9240-8i RA ID Controller – Jumpers and Connectors 3-3 3.
xviii Contents Cop yright © 2009 by LSI Corporati on. All rights reserved..
MegaRAID 6Gb/s SAS RAID Controllers User ’ s Guide 1-1 Cop yright © 2009 by LSI Corporati on. All rights reserved. Chapter 1 Overvie w This chapter p rovides an ov er view of the Me gaRAID 6Gb/s Ser ial Attached SCSI/Serial A T A II contro llers with RAID control capability .
1-2 Overview Cop yright © 2009 by LSI Corporati on. All rights reserved. two similar tech nologies on the s ame controller, within the same enclosure, and in t he same vir tual drive . Note: LSI recommends that you carefully assess an y decision to mix SAS drives and SA T A drives within the same vir tual drives .
SAS Controller Descriptions 1-3 Cop yright © 2009 by LSI Corporati on. All rights reserved. The SAS controllers suppor t the ANSI Ser ial Attached SCSI standard, v ersion 2.0 . In addition, t he controller suppor ts the SA T A II protocol defined b y the Serial A T A specification, v ersion 1.
1-4 Overview Cop yright © 2009 by LSI Corporati on. All rights reserved. • The MegaRAID 6Gb/s SAS 9260-8i PCI Express 2.0 Low-Profile Serial- Attached SCSI/SA T A II Disk Arra y Contro ller controls eight inter nal SAS/SA T A por ts through two SFF-8087 x4 inter nal mini SAS connectors.
General Descr iption 1-5 Cop yright © 2009 by LSI Corporati on. All rights reserved. These SAS controllers are based on the LSISAS2108 RAID On-a-Chip (ROC) de vice or the LSISAS2008 PC I Express-SAS/SA T A I/O Processor chip . These de vices are compliant with the Fusion-MPT™ archite cture and provides a PCI E xpress x8 inte rf ace.
1-6 Overview Cop yright © 2009 by LSI Corporati on. All rights reserved. • 3Gb/s SA T A II • Staggered spin-u p • Hot plug • Nativ e command queuing • Activity and fault indicators f or eac.
Configuration Scenar ios 1-7 Cop yright © 2009 by LSI Corporati on. All rights reserved. (PSBRAM), non volat ile static random access memory (NVSRAM), and Flash ROM.
1-8 Overview Cop yright © 2009 by LSI Corporati on. All rights reserved. 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 prov en SCSI p rotocol set.
Summary of SAS RAID Controller Characteristics 1-9 Cop yright © 2009 by LSI Corporati on. All rights reserved. 1.5.2 Operating System Support The MegaRAID 6Gb/s SAS RAID contro llers suppor ts the f .
1-10 Overview Cop yright © 2009 by LSI Corporati on. All rights reserved. • T wo internal connectors f or the SAS 9240-8i, SAS 9260-8i, SAS 9261-8i, and SAS 9260DE-8i RAID controllers • One e xte.
Summary of SAS RAID Controller Characteristics 1-11 Cop yright © 2009 by LSI Corporati on. All rights reserved. • Suppor ts STP to enable communication with a SA T A II de vice through an at tached.
1-12 Overview Cop yright © 2009 by LSI Corporati on. All rights reserved. * - Can support up to 64 de vices, b ut only 16 can be used in a RAID configuration. ** - Assumes one Stor age Enclosur e Processor (SEP) per enclosure. The maximu m numbers in Ta b l e 1 .
Summary of SAS RAID Controller Characteristics 1-13 Cop yright © 2009 by LSI Corporati on. All rights reserved. 1.6.3 SA T A II Features The f ollowing list describes the SA T A II f eatures of the R.
1-14 Overview Cop yright © 2009 by LSI Corporati on. All rights reserved. • Provides one LED sig nal f or each PHY to indica te link activity (this is a f ault LED only for controllers with inter nal por t connectors) Note: The SAS 9280-8e RAID cont roller and the SAS 9280DE-8e RAID controller do not ha v e any LEDs to indicate link activity .
Summary of SAS RAID Controller Characteristics 1-15 Cop yright © 2009 by LSI Corporati on. All rights reserved. F ollow these st eps to use drive roamin g: Step 1. T ur n off power t o the ser ver and all drives, en closures, and system components . Disconnect the po wer cords from the system.
1-16 Overview Cop yright © 2009 by LSI Corporati on. All rights reserved. Note: When you migrate drives, mo ve only the dr ives that make up the virtual dr iv e (not all of the driv es in an arra y), so you do not see an NVRAM mismatch err or (providing a configuration is on the dest ination controller).
Hardware Specifications 1-17 Cop yright © 2009 by LSI Corporati on. All rights reserved. 1.7 Hard ware Specifications Y ou can install the MegaRAID 6Gb/s SAS RAID cont rollers in a computer with a motherbo ard that has a PCI Express slot. Ta b l e 1 .
1-18 Overview Cop yright © 2009 by LSI Corporati on. All rights reserved. Cache function Write-back, write-throu gh, adaptive read ahead , non-read ahead, read a head, cache I/O, direct I/O Multiple .
T echnical Suppor t 1-19 Cop yright © 2009 by LSI Corporati on. All rights reserved. 1.8 T echnical Suppor t F or assistance installing, configur ing, or runnin g your MegaRAID 6Gb/s SAS RAID controller, contact LSI T echnical Suppor t.
1-20 Overview Cop yright © 2009 by LSI Corporati on. All rights reserved..
MegaRAID 6Gb/s SAS RAID Controllers User ’ s Guide 2-1 Cop yright © 2009 by LSI Corporati on. All rights reserved. Chapter 2 MegaRAID SAS Har d ware Installation This chapter describes the procedures y ou can fo llow to install the MegaRAID 6Gb/s Ser ial Attached SCSI/Se r ial A T A II controllers with internal and e xter nal connectors .
2-2 MegaRAID SAS Hardware Installation Cop yright © 2009 by LSI Corporati on. All rights reserved. 2.2 Quick Installation The f ollowing steps are f or quic k installation of y our MegaRAID 6Gb/s SAS RAID controller. These steps ar e for e xperienced computer users or installers .
Detailed Installation 2-3 Cop yright © 2009 by LSI Corporati on. All rights reserved. 2.3 Detailed Installation This section provides detailed instructions f or installing your MegaRAID 6Gb/s SAS RAID controller. Step 1. Unpack the MegaRAID 6Gb/s SAS RAID controller Unpac k and remov e your RAID controller .
2-4 MegaRAID SAS Hardware Installation Cop yright © 2009 by LSI Corporati on. All rights reserved. Note: Some PCI-E slots suppor t PCI-E graphics cards only; if a RAID controller is installed on those PCI-E slots, it will not function. Figure 2.1 Example of the MegaRAID SAS 9260-8 i Board Installation in a PCI Express Slo t Step 5.
Detailed Installation 2-5 Cop yright © 2009 by LSI Corporati on. All rights reserved. The maximum cable lengt h is 10 meters (393 .37 in.). Y ou can connect one de vice per SAS PHY un less you use an e xpander . System throughput problems can occur if the SAS cables are not the correct typ e.
2-6 MegaRAID SAS Hardware Installation Cop yright © 2009 by LSI Corporati on. All rights reserved. f or RAID controllers on the LSI w ebsite at: http://www .
SAS Device Cab les and Connectors 2-7 Cop yright © 2009 by LSI Corporati on. All rights reserved. Figure 2.2 Internal SAS Cable f o r Connection to SAS Drives, SA T A II Drives, or Both Figure 2.
2-8 MegaRAID SAS Hardware Installation Cop yright © 2009 by LSI Corporati on. All rights reserved. Figure 2.3 SA T A II Connectors Figure 2.4 shows SAS connectors and SA T A II connectors on SAS drives and SA T A II dr iv es, respectiv ely .
SAS Device Cab les and Connectors 2-9 Cop yright © 2009 by LSI Corporati on. All rights reserved. Figure 2.4 SAS Plugs and SA T A II Plugs and SAS Bac kplane Receptac le Connector The follo wing subs.
2-10 MegaRAID SAS Hardware Installation Cop yright © 2009 by LSI Corporati on. All rights reserved. Step 2. Plug the HDD connector on the other end of the inter nal cable into the connecto r on the SAS drive or th e SA T A II drive . Step 3. If y ou hav e another driv e, connect it to another plug on the in te r n al c abl e.
SAS Device Cab les and Connecto rs 2-11 Cop yright © 2009 by LSI Corporati on. All rights reserved. F ollow these steps to connect the cab le from y our controller to a drive enclosure. Note: The SAS 9280-8e RAID controller is shown as an e xample . Y ou can connect other SAS co ntrollers with external SAS por t connectors in the same w a y .
2-12 MegaRAID SAS Hardware Installation Cop yright © 2009 by LSI Corporati on. All rights reserved..
MegaRAID 6Gb/s SAS RAID Controllers User ’ s Guide 3-1 Cop yright © 2009 by LSI Corporati on. All rights reserved. Chapter 3 MegaRAID SAS RAID Contr oller Characteristics This chapter describes the characteristics of the LSI MegaRAID Serial Attached SCSI/Serial A T A II 6Gb/s RAID controller s .
3-2 MegaRAID SAS RAID Controller Character istics Cop yright © 2009 by LSI Corporati on. All rights reserved. Note: The SAS 9240-4i RAID controlle r does not contain the J5 connector , which suppor ts por ts 4–7. The SAS 9240-8i RAID controlle r contains th e J5 connecto r .
MegaRAID 6Gb/s SAS RAID Controller F amily 3-3 Cop yright © 2009 by LSI Corporati on. All rights reserved. T able 3.1 SAS 9240-4i/SAS 9240- 8i RAID Contr oller – J umpers and Connecto rs 3.
3-4 MegaRAID SAS RAID Controller Character istics Cop yright © 2009 by LSI Corporati on. All rights reserved. The MegaRAID SAS 9260-8i low-profile SAS/SA T A II RAID controller controls eight internal SAS/SA T A por ts through two SFF-8087 x4 internal mini SAS connectors.
MegaRAID 6Gb/s SAS RAID Controller F amily 3-5 Cop yright © 2009 by LSI Corporati on. All rights reserved. T able 3.2 SAS 9260-8i/SAS 9 260DE-8i RAID Controller – Jumpers and Connecto rs Jumper T y.
3-6 MegaRAID SAS RAID Controller Character istics Cop yright © 2009 by LSI Corporati on. All rights reserved. 3.1.3 MegaRAID SAS 9261 RAID Contr oller The MegaRAID SAS 9261-8i low-profile SAS/SA T A II RAID controller controls eight inter nal SAS/SA T A po r ts through two SFF-80 87 mini-SAS 4i connectors.
MegaRAID 6Gb/s SAS RAID Controller F amily 3-7 Cop yright © 2009 by LSI Corporati on. All rights reserved. Figure 3.3 Card La yout f or th e MegaRAID SAS 9261-8i RAID Contro ller Ta b l e 3 . 3 describes the jumpers an d connectors on the SAS 9261-8i RAID controller .
3-8 MegaRAID SAS RAID Controller Character istics Cop yright © 2009 by LSI Corporati on. All rights reserved. 3.1.4 MegaRAID SAS 9280 RAID Contr ollers The MegaRAID SAS 9280-4 i/4e low-pr ofile SAS/S.
MegaRAID 6Gb/s SAS RAID Controller F amily 3-9 Cop yright © 2009 by LSI Corporati on. All rights reserved. Figure 3.4 Car d Lay out for the Me gaRAID SAS 9280-8e RAID Contro ller Note: Connectors J6A1, J6A2, and J6A3 ar e behind the LSIiBBU07 when the iBBU is installed, but the y are still accessible .
3-10 MegaRAID SAS RAID Controller Character istics Cop yright © 2009 by LSI Corporati on. All rights reserved. Figure 3.5 shows t he jumpers and connectors on the SAS 9280 -4i/4e controller .
MegaRAID 6Gb/s SAS RAID Controller F amily 3-11 Cop yright © 2009 by LSI Corporati on. All rights reserved. Figure 3.5 Car d Lay out for t he MegaRAID SAS 9280-4i/4e RAID Contro ller Note: Connectors J6A1, J6A2, and J6A3 ar e behind the LSIiBBU07 when the iBBU is installed, but the y are still accessible .
3-12 MegaRAID SAS RAID Controller Character istics Cop yright © 2009 by LSI Corporati on. All rights reserved. J1B1 x4 SAS P or ts 7–4 SFF-8088 x4 external mini SAS connector Connects the controll er by cab le to SAS drives or SA T A II drives, or a SAS expander .
MegaRAID SAS 6Gb/s RAID Controller Characteristics 3-13 Cop yright © 2009 by LSI Corporati on. All rights reserved. Note: Connectors J6A1, J6A2, and J6A3 ar e behind the LSIiBBU07 when the iBBU is installed, but the y are still accessible . 3.2 MegaRAID SAS 6Gb/s RAID Contr oller Characteristics Ta b l e 3 .
3-14 MegaRAID SAS RAID Controller Character istics Cop yright © 2009 by LSI Corporati on. All rights reserved. The MegaRAID 6Gb/s SAS RAID contro llers use Fusion-MPT architecture , which allows f or thinner drivers a nd better perf ormance.
T echnical Specifi cations 3-15 Cop yright © 2009 by LSI Corporati on. All rights reserved. 3.3.1 RAID Controll er Specifications Ta b l e 3 . 7 lists the specifications f or the MegaRAID 6Gb/s SAS RAID controllers.
3-16 MegaRAID SAS RAID Controller Character istics Cop yright © 2009 by LSI Corporati on. All rights reserved. 3.3.2 Arra y Perf ormance Features Ta b l e 3 .
T echnical Specifi cations 3-17 Cop yright © 2009 by LSI Corporati on. All rights reserved. 3.3.3 Fault T olerance Ta b l e 3 . 9 lists the f ault tolerance f eat ures f or the MegaRAID 6Gb/s SAS RAID controllers.
3-18 MegaRAID SAS RAID Controller Character istics Cop yright © 2009 by LSI Corporati on. All rights reserved. v oltages. The f ollo wing states determine the typical current consumption of the cont .
T echnical Specifi cations 3-19 Cop yright © 2009 by LSI Corporati on. All rights reserved. operat ing from the 3.3V rails and t he 12V rail prov ide the necessar y v oltages.
3-20 MegaRAID SAS RAID Controller Character istics Cop yright © 2009 by LSI Corporati on. All rights reserved. • T emperature ra nge: + 1 0 ° C to +60 ° C without batter y backu p unit • T emperature ra nge: +10 ° C to +44.
T echnical Specifi cations 3-21 Cop yright © 2009 by LSI Corporati on. All rights reserved. – During f ast charging of the batte r y pack: 230mA in +12V current 3.
3-22 MegaRAID SAS RAID Controller Character istics Cop yright © 2009 by LSI Corporati on. All rights reserved. T able 3.13 Po wer Sup ply f or SAS 9280 RAID Controllers Note: +12V is used in the charging circuitry for the batt er y pack on the optiona l iBBU batter y-bac ked daug hter card.
MegaRAID 6Gb/s SAS RAID Controllers User ’ s Guide A-1 Cop yright © 2009 by LSI Corporati on. All rights reserved. Appendix A Glossary of T erms and Abbre viations BIOS Acronym f or Basic Input/Output System. Software that pr ovides basic read/write capability .
A-2 Glossar y of T er ms and Abbre viations Cop yright © 2009 by LSI Corporati on. All rights reserved. host The comput er system in which a RAID co ntroller is installed. It uses the RAID controller to tr ansf er information to and from de vices attached to the SCSI bus .
A-3 Cop yright © 2009 by LSI Corporati on. All rights reserved. peripheral devices A piece of har dware (such as a vid eo monitor , driv e, printer , or CD-ROM) used with a compute r and under the control of t he computer . SCSI peripherals are controlled through a SAS MegaRAID SAS RAID controller ( host adapter) .
A-4 Glossar y of T er ms and Abbre viations Cop yright © 2009 by LSI Corporati on. All rights reserved. SAS device An y device that conforms to the SAS standard and is attached to the SAS bus b y a SAS cable . This includes SAS R AID controllers (host adapters) and SAS periphera ls.
MegaRAID 6Gb/s SAS RAID Controllers U ser’ s Guide Cop yright © 2009 by LSI Corporati on. All rights reserved. Customer Feedbac k W e would appreciate your f eedbac k on this document. Please copy t he f ollowing page , add your comm ents, and f ax it to us at the n umber shown.
Customer F eedback Cop yright © 2009 by LSI Corporati on. All rights reserved. Reader’ s Comments F ax y our comments to: LSI Corporation T echnical Publications M/S E-198 F ax: 408.43 3.4333 Please tell us how y ou rate this document: MegaRAID 6Gb/s SAS RAID Controllers User’ s Guide.
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 LSI 25083 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 LSI 25083 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso LSI 25083 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul LSI 25083 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il LSI 25083, 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 LSI 25083.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il LSI 25083. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo LSI 25083 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.