Compaq manual RAID Array 3000 Single Controller Block Diagram

Page 35

RAID Array 3000 Controller Shelf

Figure 2–1 RAID Array 3000 Single Controller Block Diagram

Ultra SCSI

Differential, Wide

Interface

Host

System 0

RAID Array 3000	H0	H1
Controller Shelf

Host I/O

Assy

RAID Controller

Cache

Interface

Controller / Bus

Write-BackModules

Cache

Module

2 Device Ports

Ultra SCSI Wide

Single-Ended

Interface

Host

System 1

UPS Control

Interface

To UPS

CTR Serial

Interface

Maintenance PC

Device I/O

Assy

Port 0

Port 1
Device
Storage
Shelves	SHR-1050

2–2	EK–SMCPQ–UG. C01

Image 35

Contents RAID Array 3000 Controller Shelf Page Japan USA Contents Second Controller Option Installation and MaintenanceFigures Removing the Controller from the Shelf TablesRevision Record About This Guide Associated Documents Associated DocumentsRAID Array 3000 Usage ConventionsStyle Conventions Nomenclature Convention RAID Advisory Board DescriptionWho to contact in Asia Pacific Support and Services Who to contact in the AmericasWho to contact in Europe Product Description Product OverviewRAID Array 3000 Controller Shelf RAID Array 3000 6-Slot Device Expansion Shelf Optional DS-SWXRA-GH DS-SWXRA-GK DS-SWXRA-GN DS-HSZ22-AA Controller Shelf Part Numbers and Model DescriptionsController Shelf Enclosure Shelf FeaturesController Shelf Major Components Shelf Major Components Shelf Cabinet InstallationDevice I/O Module Upper Mounting Tab Device Port Connector Lower Device I/O Module Blower Status LEDs Host I/O ModuleCTR UPS Shelf Cooling Controller Shelf Power SuppliesPower Supply Uninterruptable Power Supply UPS6-Slot Device Expansion Shelf Optional Connecting the RA3000 Controller Shelf to a Host SystemHost System Host System SHR-1318 Host System Controller Shelf Technical Specifications SpecificationsShelf Technical Specifications Controller Shelf Power and Physical Specifications Controller Overview RAID Array ControllerRAID Array 3000 Single Controller Block Diagram Bridging the Gap Between the Host and Device Expansion Shelf Controller FeaturesDisk Drives LED/Reset Switch Interface Controller Reset and LED IndicatorsController Front Panel Flexible RAID Set ConfigurationEfficient Write and Read Algorithms Performance EnhancementsCustom Components Description RAID Levels SupportedRAID Levels Supported Shelf RAID Set Restrictions RAIDRAID 0 Write RAID 0+1 Diagram of a RAID 1 WriteRAID 0+1 Example Diagram of RAID 0+1 WriteDiagram of a RAID 4 Write RAID Diagram of a RAID 5 Write Redundant Operation JbodSystem Parameters Failover InitializationMessage Passing Environmental Backup Power ManagementResponse to Various AC Power Conditions Installation Guidelines Installation and MaintenanceInstalling Shelves in the Cabinet Recommended Single Expansion Shelf Installation SHR-1097 SHR-1098 13 12 11 Retma Cabinet Shelf Support Parts List Installing Shelf SupportsShelf Support Mounting Kits and Installation Guides Installing Shelf Supports in a Retma Cabinet Square Hole Retma Cabinet Shelf Supports Installing UPS BracketsUPS Rack-mount Bracket Mounting Hardware List UPS Rack-mount Bracket Assemblies UPS Bracket Retma and Metric Hole Locations Rear Power and Scsi Cable Connection Procedures Scsi Bus Target Addresses and Termination Installation and Maintenance Controller/ Single Device Expansion Shelf Cabling Diagram 10 AC Power Wiring Diagram RAID Array 3000 Controller Shelf 11 Controller/ Two Device Expansion Shelf Cabling Diagram RAID Array 3000 Controller Shelf Installation and Maintenance 12 Controller/ Three Device Expansion Shelf Cabling Diagram Installation and Maintenance RAID Array 3000 Controller Shelf 13 Controller/ Four Device Expansion Shelf Cabling Diagram RAID Array 3000 Controller Shelf 14 Shelf Status LEDs Controller Shelf Status LEDsReplacing Components FRU’s Controller LEDsController Shelf Field Replaceable Units 15 Controller Shelf Field Replaceable Units16 Replacing the Host I/O SBB Replacing a Host or Device I/O SBBReplacing a Power Supply SBB 17 Removing the Controller from the Shelf Replacing the RAID ControllerReplacing a Blower Replacing the UPS18 Replacing a Blower Assembly Replacing the Controller Memory Cache Modules 19 Controller Cache Modules 21 Remove Installed Simm Modules 22 Install Replacement Modules Introduction Second Controller OptionSave Existing Configuration Installing the UpgradeSaving the Existing Configuration Saved Configuration Update FirmwareUpdate Firmware Using Serial Interface Shutdown RA3000 Insert Module into Simm Connector Install Two SIMMs into Second ControllerRemove Controller from Top Slot Replace Existing ControllerRestoring Configuration to New Controller Restore ConfigurationInstall Original Controller Update Firmware on Second ControllerConfiguring the RA3000 for the Active Mode of Operation Configuring the Dual Controllers Verifying the Controller Operating Parameters Connecting to Your Dual Controller Storage SystemRAID Array 3000 Storage Subsystem

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