Compaq 3000 manual Connecting to Your Dual Controller Storage System

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Chapter 4. Second Controller Option

14.You have now created one Virtual Device (JBOD) on the top controller. Discon- nect the serial cable from the top controller and reconnect the cable to serial port connector on the bottom (redundant) controller.

15.Close and reopen the StorageWorks window and repeat steps 4 through 13 above (Note: If the storage window connection is lost when the cable is moved, reopen the HSZ22 StorageWindow).

16.Once the second “Virtual Disk” has been created, close the StorageWorks win- dow.

17.To complete dual-controller configuration, perform the following.

Ensure all cables and connections to your server are in place

Leave the RA3000 Rack Mount Storage System powered on

Reboot the server

Refer to your Getting Started Guide to configure the virtual disks as communications LUNs.

4.3.3Connecting to Your Dual Controller Storage System

1.Open the StorageWorks management utility.

2.Refer to the Getting Started Guide for instructions describing how to connect the RA3000 to your host system.

4.3.4Verifying the Controller Operating Parameters

For optimal dual- controller performance and load balancing, the host ports should be configured as listed below. Verify these parameters from the “Controller Properties” page:

Host I/O channel 0 for Controller 1 (top) to Active

Host I/O channel 1 for Controller 1 to Passive

Channel 0 Target ID for Controller 1 to 0

Channel 1 Target ID for Controller 2 to 1

NOTE

It is allowable to configure the host I/O and target IDs as follows:

Controller 1 (top) may be set to “Passive” while host I/O channel 1 for Controller 1 is set to “Active”. As long as each host channel value and channel target ID value is unique, the system is correctly configured for Active/Active mode.

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Contents RAID Array 3000 Controller Shelf Page Japan USA Contents Installation and Maintenance Second Controller OptionFigures Tables Removing the Controller from the ShelfRevision Record About This Guide Associated Documents Associated DocumentsNomenclature Convention RAID Advisory Board Description ConventionsStyle Conventions RAID Array 3000 UsageSupport and Services Who to contact in the Americas Who to contact in EuropeWho to contact in Asia Pacific Product Overview Product DescriptionRAID Array 3000 Controller Shelf RAID Array 3000 6-Slot Device Expansion Shelf Optional Controller Shelf Part Numbers and Model Descriptions DS-SWXRA-GH DS-SWXRA-GK DS-SWXRA-GN DS-HSZ22-AAShelf Features Controller Shelf EnclosureController Shelf Major Components Shelf Cabinet Installation Shelf Major ComponentsDevice I/O Module Upper Mounting Tab Device Port Connector Lower Host I/O Module Device I/O Module Blower Status LEDsCTR UPS Controller Shelf Power Supplies Shelf CoolingUninterruptable Power Supply UPS Power SupplyConnecting the RA3000 Controller Shelf to a Host System 6-Slot Device Expansion Shelf OptionalHost System Host System SHR-1318 Host System Specifications Controller Shelf Technical SpecificationsShelf Technical Specifications Controller Shelf Power and Physical Specifications RAID Array Controller Controller OverviewRAID Array 3000 Single Controller Block Diagram Controller Features Bridging the Gap Between the Host and Device Expansion ShelfDisk Drives Controller Reset and LED Indicators LED/Reset Switch InterfaceFlexible RAID Set Configuration Controller Front PanelPerformance Enhancements Custom ComponentsEfficient Write and Read Algorithms RAID Levels Supported RAID Levels SupportedDescription RAID Shelf RAID Set RestrictionsRAID 0 Write Diagram of a RAID 1 Write RAID 0+1Diagram of RAID 0+1 Write RAID 0+1 ExampleDiagram of a RAID 4 Write RAID Diagram of a RAID 5 Write Jbod System ParametersRedundant Operation Initialization Message PassingFailover Backup Power Management Response to Various AC Power ConditionsEnvironmental Installation and Maintenance Installation GuidelinesInstalling Shelves in the Cabinet Recommended Single Expansion Shelf Installation SHR-1097 SHR-1098 13 12 11 Installing Shelf Supports Shelf Support Mounting Kits and Installation GuidesRetma Cabinet Shelf Support Parts List Installing Shelf Supports in a Retma Cabinet Square Hole Installing UPS Brackets Retma Cabinet Shelf SupportsUPS 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 Controller Shelf Status LEDs 14 Shelf Status LEDsController LEDs Replacing Components FRU’s15 Controller Shelf Field Replaceable Units Controller Shelf Field Replaceable UnitsReplacing a Host or Device I/O SBB 16 Replacing the Host I/O SBBReplacing a Power Supply SBB Replacing the RAID Controller 17 Removing the Controller from the ShelfReplacing the UPS Replacing a Blower18 Replacing a Blower Assembly Replacing the Controller Memory Cache Modules 19 Controller Cache Modules 21 Remove Installed Simm Modules 22 Install Replacement Modules Second Controller Option IntroductionInstalling the Upgrade Save Existing ConfigurationSaving the Existing Configuration Update Firmware Saved ConfigurationUpdate Firmware Using Serial Interface Shutdown RA3000 Install Two SIMMs into Second Controller Insert Module into Simm ConnectorReplace Existing Controller Remove Controller from Top SlotRestore Configuration Restoring Configuration to New ControllerUpdate Firmware on Second Controller Install Original ControllerConfiguring the RA3000 for the Active Mode of Operation Configuring the Dual Controllers Connecting to Your Dual Controller Storage System Verifying the Controller Operating ParametersRAID Array 3000 Storage Subsystem
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