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1.  Installing and Maintaining a Sun StorEdge A3500 System or a Sun StorEdge A3500FC System Maintaining Storage Systems How to Replace a Failed Disk Drive in a Running Cluster  Previous   Contents   Next 
   
 

ProcedureHow to Remove a Disk Drive From a Running Cluster

Use this procedure to remove a disk drive from a running cluster.

  1. Remove the logical unit number (LUN) that is associated with the disk drive you are removing.

    For the procedure about how to remove a LUN, see How to Delete a LUN.

  2. Remove the disk drive from the storage array.

    For the procedure about how to remove a disk drive, see the Sun StorEdge D1000 Storage Guide.

    Caution! Caution - After you remove the disk drive, install a dummy drive to maintain proper cooling.

How to Upgrade Disk Drive Firmware in a Running Cluster

Caution! Caution - You must be a Sun service provider to perform disk drive firmware updates. If you need to upgrade drive firmware, contact your Sun service provider.

ProcedureHow to Replace a Host Adapter in a Node (StorEdge A3500 Storage System Only)

Note - This section describes the procedure about how to replace a failed host adapter in a running node. This node is attached to a SCSI-based storage system. For the same procedure for a node that is attached to anfiber-optic-based storage system, see How to Replace a Host Adapter in a Node (StorEdge A3500FC Storage System Only).

This procedure defines Node 1 as the node with the host adapter on SCSI bus A .This host adapter is the host adapter that you are replacing. Node 2 is the node that remains in service.

Note - Several steps in this procedure require you to halt I/O activity. To halt I/O activity, take the controller module offline by using the RAID Manager GUI's manual recovery procedure in the Sun StorEdge RAID Manager User's Guide.

  1. Without powering off the node, shut down node 1.

    For the procedure about how to shut down and power off a node, see your Sun Cluster system administration documentation.

  2. From Node 2, halt I/O activity to SCSI bus A.

    For instructions, see the Sun StorEdge RAID Manager User's Guide.

  3. From the controller module end of the SCSI cable, disconnect the SCSI bus A cable. This cable connects the controller module to Node 1. Afterward, replace this cable with a differential SCSI terminator.

  4. Restart I/O activity on SCSI bus A.

    For instructions, see the Sun StorEdge RAID Manager User's Guide.

  5. Does servicing the failed host adapter affect SCSI bus B?

    • If SCSI bus B is not affected, skip to Step 9.

    • If SCSI bus B is affected, proceed to Step 6.

  6. From Node 2, halt I/O activity to the controller module on SCSI bus B.

    For instructions, see the Sun StorEdge RAID Manager User's Guide.

  7. From the controller module end of the SCSI cable, disconnect the SCSI bus B cable. This cable connects the controller module to Node 1. Afterward, replace this cable with a differential SCSI terminator.

  8. Restart I/O activity on SCSI bus B.

    For instructions, see the Sun StorEdge RAID Manager User's Guide.

  9. Power off Node 1.

  10. Replace Node 1's host adapter.

    For the procedure about how to replace a host adapter, see the documentation that shipped with your node hardware.

  11. Power on Node 1. Do not enable the node to boot. If necessary, halt the system.

  12. From Node 2, halt I/O activity to the controller module on SCSI bus A.

    For instructions, see the Sun StorEdge RAID Manager User's Guide.

  13. Remove the differential SCSI terminator from SCSI bus A. Afterward, reinstall the SCSI cable to connect the controller module to Node 1.

  14. Restart I/O activity on SCSI bus A.

    For instructions, see the Sun StorEdge RAID Manager User's Guide.

  15. Did you install a differential SCSI terminator to SCSI bus B in Step 7?

    • If no, skip to Step 18.

    • If yes, halt I/O activity on SCSI bus B, then continue with Step 16.

  16. Remove the differential SCSI terminator from SCSI bus B. Afterward, reinstall the SCSI cable to connect the controller module to Node 1.

  17. Restart I/O activity on SCSI bus B.

    For instructions, see the Sun StorEdge RAID Manager User's Guide.

  18. Bring the controller module online.

    For instructions, see the Sun StorEdge RAID Manager User's Guide.

  19. Rebalance all logical unit numbers (LUNs).

    For instructions, see the Sun StorEdge RAID Manager User's Guide.

  20. Boot node 1 into cluster mode.

ProcedureHow to Replace a Host Adapter in a Node (StorEdge A3500FC Storage System Only)

Note - This section describes the procedure about how to replace a failed host adapter in a node that is attached to a fiber-optic-based storage system. For the same procedure for a node that is attached to a SCSI-based storage system, see How to Replace a Host Adapter in a Node (StorEdge A3500 Storage System Only).

Note - Several steps in this procedure require you to halt I/O activity. To halt I/O activity, take the controller module offline by using the RAID Manager GUI's manual recovery procedure in the Sun StorEdge RAID Manager User's Guide.

  1. Move all Sun Cluster data services off of the node in which you are replacing a host adapter.

    For instructions, see the Sun Cluster data services collection.

  2. Halt all I/O activity on the affected controller module.

    For instructions, see the Sun StorEdge RAID Manager User's Guide.

  3. Shut down and power off the node in which you are replacing a host adapter.

    For the procedure about how to shut down and power off a node, see your Sun Cluster system administration documentation.

  4. Disconnect the fiber-optic cable from the host adapter that you are replacing.

  5. Replace the host adapter in the node.

    For the procedure about how to replace a host adapter, see the documentation that shipped with your node hardware.

  6. Connect the fiber-optic cable to the new host adapter that you just installed.

  7. Boot the node into cluster mode.

    For more information about how to boot nodes, see your Sun Cluster system administration documentation.

  8. Restart I/O activity on the affected controller module.

    For instructions, see the Sun StorEdge RAID Manager User's Guide and your operating system documentation.

  9. Check the status of the affected controller module.

    Observe the front panel LEDs. Use Sun StorEdge A3500/A3500FC Controller Module Guide to interpret the LEDs.

  10. Rebalance LUNs that are running on the affected controller module.

    For more information, see the Sun StorEdge RAID Manager User's Guide.

  11. Return the Sun Cluster data services to the node in which you replaced the host adapter.

    For instructions, see the Sun Cluster data services collection.

 		 
 
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