LSI 25083 manual MegaRAID SAS 6Gb/s RAID Controller Characteristics, Flash Serial

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Table 3.5

SAS 9280-4i/4e RAID Controller – Connectors (Cont.)

 

 

 

Connector

Description

Comments

 

 

 

J6A3

Write-pending Indicator

2-pin connector

 

(dirty cache) LED

 

 

connector

Connects to an LED that indicates when

 

 

the data in the cache has yet to be

 

 

written to the storage devices. Used

 

 

when the write-back feature is enabled.

 

 

 

J6B1

Remote Battery Backup

20-pin connector

 

Unit connector

Connects the LSIiBBU07 intelligent

 

 

 

 

Battery Backup Unit remotely to the

 

 

RAID controller.

 

 

 

J6B2

Battery Backup Unit

20-pin connector

 

connector

Connects the LSIiBBU07 intelligent

 

 

 

 

Battery Backup Unit remotely to the

 

 

RAID controller.

 

 

 

Note: Connectors J6A1, J6A2, and J6A3 are behind the

 

LSIiBBU07 when the iBBU is installed, but they are still

 

accessible.

 

3.2MegaRAID SAS 6Gb/s RAID Controller Characteristics

Table 3.6 shows the general characteristics for all MegaRAID 6Gb/s SAS RAID controllers.

Table 3.6 MegaRAID 6Gb/s SAS RAID Controller Characteristics

Flash

Serial

 

 

SCSI

ROM1

EEPROM2

Data Transfer Rates

SCSI Features

Termination

 

 

 

 

 

Yes

Yes

Up to 6Gb/s per port for

Plug and Play

Active

 

 

SAS and up to 3Gb/s per

Scatter/Gather

 

 

 

port for SATA II

Activity LED

 

 

 

 

 

 

1.For boot code and firmware.

2.For BIOS configuration storage.

Each MegaRAID 6Gb/s SAS RAID controller ensures data integrity by intelligently validating the compatibility of the SAS domain.

MegaRAID SAS 6Gb/s RAID Controller Characteristics

3-13

Copyright © 2009 by LSI Corporation. All rights reserved.

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Contents V e m b e r 2 0 0 USER’S GuideTrademark Acknowledgment Preface Organization AudienceMegaRAID SAS Software User’s Guide Document Number 80-00163-01 Rev. DFd1sp ConventionsRevision History Notation Example Meaning and UseSafety Instructions When Working Inside Your Computer Preface XPreface Contents Appendix a Glossary of Terms Abbreviations Customer Feedback XivContents Figures XviContents Tables XviiiContents Overview Chapter Overview2Overview SAS Controller Descriptions General Description General Description Configuration Scenarios Example of an LSI SAS Direct-Connect Application PCI Express Architecture Benefits of the SAS InterfaceOperating System Support Summary of SAS RAID Controller CharacteristicsSAS Features SAS RAID Controller Array Limitations SAS Array Limitations12Overview Sata II Features Usability FeaturesPCI Express Performance Drive Roaming Flexibility FeaturesDrive Migration 16Overview MegaRAID 6Gb/s SAS RAID Controller Features Hardware Specifications18Overview Mail Phone Support Technical Support20Overview Requirements Chapter MegaRAID SAS Hardware InstallationQuick Installation Detailed Installation Detailed InstallationBracket Screw Detailed Installation SAS Device Cables and Connectors After Installing the RAID ControllerSAS Device Cables and Connectors Sata II Connectors Serial Attached Scsi SAS Backplane Receptacle Connector Connecting the SAS 9260-8i RAID Controller to a Drive To Drive Enclosure Mini SAS Cable Plug Connector MegaRAID SAS Hardware Installation MegaRAID SAS 9240 RAID Controllers MegaRAID 6Gb/s SAS RAID Controller FamilyCard Layout for the MegaRAID SAS 9240-8i RAID Controller Jumper Type Description ConnectorsMegaRAID SAS 9260 RAID Controllers SAS 9240-4i/SAS 9240-8i RAID Controller JumpersCard Layout for the MegaRAID SAS 9260-8i RAID Controller JT1 SAS 9260-8i/SAS 9260DE-8i RAID Controller JumpersMegaRAID SAS Software User’s Guide for MegaRAID SAS 9261 RAID ControllerSAS 9261-8i RAID Controller Jumpers Card Layout for the MegaRAID SAS 9261-8i RAID ControllerJT6B2 MegaRAID SAS 9280 RAID ControllersSAS 9280-8e and SAS 9280DE-8e RAID Controllers Connector Description CommentsSAS 9280-8e and SAS 9280DE-8e RAID Controllers Card Layout for the MegaRAID SAS 9280-4i/4e RAID Controller SAS 9280-4i/4e RAID Controller ConnectorsIpmi Flash Serial MegaRAID SAS 6Gb/s RAID Controller CharacteristicsMegaRAID 6Gb/s SAS RAID Controller Characteristics Data Transfer Rates Scsi Features TerminationTechnical Specifications MegaRAID SAS 9240, SAS 9260, SAS 9261, and SAS RAID Controller SpecificationsRAID Controller Specifications Specification RAID ControllersMegaRAID SAS 9240, SAS 9260, SAS Array Performance FeaturesArray Performance Features Specification 9261, and SAS 9280 RAID ControllersPower Supply Requirements for SAS 9240 RAID Controllers Fault ToleranceElectrical Characteristics Fault Tolerance Features10 Power Supply for SAS 9240 RAID Controllers Power Supply Requirements for SAS 9260 RAID ControllersPCI Edge Connector State 11 Power Supply for SAS 9260 RAID Controllers 12 Power Supply for SAS 9261 RAID Controllers Power Supply Requirements for the SAS 9261 RAID ControllerPower Supply Requirements for SAS 9280 RAID Controllers 13 Power Supply for SAS 9280 RAID Controllers Safety CharacteristicsValidation ConfigurationDevice driver DomainHot spare HostHost adapter BoardRAID levels Peripheral devicesSAS device Stripe sizeStriping Customer Feedback Excellent Good Average Fair Reader’s Comments