LSI 25083 manual

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. LSI products are not i ntended f or use in life-suppor[...]

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. This docume nt contains complet[...]

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 2.0 Low-Profile Serial- Attached SCSI/S A T A II Disk Arra y Con troller with Exter nal Connectors F o[...]

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. The inf or mation in this docume nt is independent of the bac[...]

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. Notes contain supplemen tar y inf or mation that ca n affect system perform ance. Caution: Cautions are notifications that an action has the po tential to adversely aff ect equipment operati[...]

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 . Note: Use the MegaRAID 6Gb/s SAS RAID contr ollers with UL-listed Inf ormation T echnology Equipment (ITE) prod[...]

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 . If the computer gets wet, consult the documentatio n that[...]

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 . T o prev ent static damage , discharge static electricity fr om your body b efor e you touch an y of your computer’ s ele ctronic compon ents, such as the[...]

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 1.5 Benefits of t he SAS Interf ace 1-8 1.5.1 PCI Express Architecture 1-8 1.5.2 Opera ti[...]

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 3.1 MegaRAID 6Gb/s SAS RAID Controller F amily 3-1 3.1.1 MegaRAID SAS 9240 RAID Controllers 3-1 3.1.2[...]

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 2.2 Internal SAS Cable f or Connection t[...]

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 3.2 SAS 9260-8i/SAS 9260DE-8i RAID Controller – Jumpers and Connectors 3-5 3.3 SAS 9[...]

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 . It consists of the follo wing sections: • Section 1.1, “Ov er view[...]

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 . Althou gh you can mix dr iv es, L[...]

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 1.0a . Suppor ting bo th the SAS interf ace and the SA T [...]

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. • The MegaRAID 6Gb/s SAS 9260DE-8i PCI Express 2.0 Low-Pr[...]

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. Note: All of[...]

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 each PHY • P ort selector (f or dual-p or t dr ives) Each por t on the SAS controllers supp or ts SAS de vices, SA T A II devices , or both using SSP ,[...]

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. Figure 1.1 Example of an LSI SAS Direct-Connect Application Figure 1.2 shows an e xample of a SAS RAID controller configured with an LSISASx12 e xpander that is con nected to SAS dr i[...]

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. SAS is a conv ergence of the adv antages of SA T A II, SCSI, and Fibre Channel, and is the future mainsta y of the enterpr i[...]

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 ollowing operating system s: • Windows Vista, Ser ver 2003 , and Windows Server 2008 • Red Hat Linux • SUSE Linux • Nov ell NetW are • SCO O[...]

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 xter nal connector f or t he SAS 9280-4i/4e RAID controller • T wo ext er nal connectors f or the SAS 9280-8 e RAID controller and the SAS 9280DE-8e RA[...]

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 e xpander • Provides a se r ial, point-to- point, enterpr ise-le v el storage interf ace • Simplifies cabling betw een devices • Provides a sca[...]

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 . 1 depend on how man y physica l de vices you ha v e connected to the RAID controller [...]

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 RAID controllers: • Suppor ts SA T A II data transf ers of 3Gb/s • Suppor ts STP data transfers of 3Gb/s • Provides a se r ial, point-to-poin t s[...]

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. Step 2. Op en the host system by f ollo wing the ins t[...]

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). The NVRAM mismatch er ror appears only if y[...]

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 . 2 de scr ibes the hardware configuration f eatures f or the MegaRAID 6Gb/s SAS RAID controllers. [...]

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 vir tual dr ives per controller Up to 64 (thi s v alue is depe ndent on the fir mware) Online capacity expansion Ye s Dedicated and globa l hot spares[...]

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. Click the follo wing link to access the LSI T echnical Suppor t page for storage and board suppor t: http://www [...]

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 . It con[...]

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 . Section 2.3, “Deta iled Installation, ” contains the st eps for[...]

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 . Inspect it f or damage . If it appears [...]

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. Configure and I[...]

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. T o minimize the potential f or prob lems, use the f ol[...]

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 .lsi.com/cm/ DownloadSearch.do . F or info r mation about installin g the dr iv er , refer to the MegaRAI D SAS De vice Drive r Installation User’ s Guide on the MegaRAID Universal Softw are [...]

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 2.3 shows t he SA T A II de vice plug connector that co nnects a SAS RAID controller with inter nal connectors to the host receptab le connector on a bac kp[...]

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 . Cables connect int er nal connectors on the RAID controllers to connectors on SAS drives, SA T A II drives [...]

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 ections provide step- by-step instructions f or connecting the SAS RAID controllers to SAS drives and SA T A II dr iv es, either dire ctly or through[...]

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. Y ou can connect othe[...]

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 . Step[...]

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 . It consists of the f ollowing sections: • Sectio[...]

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 . This subsection pr ovides the board la y out and connector and jumper i[...]

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 3.1.2 MegaRAID SAS 9260 RAID Contr ollers The MegaRAID SAS 9260-4i low-profile SAS/SA T A II RAID controller controls four internal SAS/SA T A por ts through on[...]

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. The MegaRAID SAS 9260DE-8i low-pr ofile SAS/SA T A II RAID controller contro[...]

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 ype Description JT1 Write -pending Indicator (dir ty cache) LED connector 2-pin connector Connects to an LED that in dicates when the data in the cache[...]

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. This subsection pr ovides the board la y [...]

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 . T able 3.3 SAS 9261 -8i RAID Controller – J umpers and Connector s s Jumper T [...]

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/SA T A II RAID controller controls f our inter nal S AS/SA T A por ts through on e SFF-8087 x4 in ter nal mini SAS connector and four exte rnal SAS/SA [...]

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 . Ta b l e 3 . 4 describes the jumpers an d con[...]

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 . J1B1 x4 SAS P or ts 0–3 SFF-8088 x4 external mini SAS connector Connects the cables from the controller to SAS drives or SA T A II drives , or a SAS expand[...]

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 . Ta b l e 3 . 4 describes the jumpers an d[...]

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 . J2B1 Standard e dge card connector The RAID controller interfaces with the host sy[...]

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 . 6 shows the gener al characterist ics f[...]

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. 3.3 T echnical Specifications The design and implementation of the MegaRAID 6Gb/s SAS RAID controllers mini[...]

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. T able 3.7 RAID Controller Specifications Specification MegaRAID SAS 9240, SAS 9260, SAS 9261, and SAS 9280 RAID Controllers Processo[...]

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 . 8 sho ws the arra y perf or mance f eatures f or the MegaRAID 6Gb/s SAS RAID controllers. PCI Express bus data transfer r ate • Up to 5 Gb/s per l ane • x8 lane width Serial por t 4-pin [...]

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. 3.3.4 Electrical Characteristics This subsect ion provides the power supply re quirements for the MegaRAID 6G b/s SAS RAID cont rollers[...]

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 roller : • State 1: During a hard reset • State 2: During a drive stre ss test • State 3: While sitting idle at the DOS prompt The supply voltag[...]

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. The f ollo wing states determine the typical current consumption of the cont roller : • State 1: During a hard reset • State 2: During a drive stre ss test • State 3: [...]

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 +44.5 ° C with iBBU batter y back up The param eters for the non-operat ing (such as storage and transit) envir onment fo [...]

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 3.3.4.6 Opera ting and Non-operating Conditions f or the SAS 9261 RAID Contr oller F or the SAS 9261 RAID controllers , the operating (thermal and atmospheric) conditio ns are: • Relat[...]

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. If the iBBU daughter card is mounted, the f ollowing po w[...]

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 . Usually kept as firmware (ROM-based). The system BIOS on the motherboa rd of a compu[...]

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 . host adapter boar d A circuit boar d or integr ated circuit that provides a[...]

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) . PHY The interf ace required to t[...]

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. SA T A Acronym f or Serial A dv anc ed T echnology Attachment. A [...]

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. If appropriate , please also fax copie s of any marked-up pag es fr[...]

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. Place a chec k mark in the appropriate b lank f or each ca[...]