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Sun Cluster 3.0 5/02 Supplement

How to Remove a StorEdge/Netra st A1000 Array From a Running Cluster

Use this procedure to remove a StorEdge/Netra st A1000 array from a running cluster.

Caution - Caution -

This procedure removes all data that is on the StorEdge/Netra st A1000 array you remove.

  1. Migrate any Oracle Parallel Server/Real Application Clusters (OPS) tables, data services, or volumes off the array.

  2. Determine if the array contains a LUN that is configured as a quorum device.


    # scstat -q

    • If the array does not contain a quorum device, go to Step 3.

    • If the array contains a LUN that is configured as a quorum device, choose and configure another device on a different array to be the new quorum device. Then remove the old quorum device.

  3. Halt all activity to the array.

    See the RAID Manager User's Guide and your operating array documentation for instructions.

  4. Remove the LUN from disksets or disk groups.

    If a volume manager does manage the LUN, run the appropriate Solstice DiskSuite/Solaris Volume Manager or VERITAS Volume Manager commands to remove the LUN from any diskset or disk group. For more information, see your Solstice DiskSuite/Solaris Volume Manager or VERITAS Volume Manager documentation. See the following paragraph for additional VERITAS Volume Manager commands that are required.

    LUNs that were managed by VERITAS Volume Manager must be completely removed from VERITAS Volume Manager control before you can delete them. To remove the LUNs, after you delete the LUN from any disk group, use the following commands: 


    # vxdisk offline cNtXdY
# vxdisk rm cNtXdY

  5. From one node, delete the LUN.

    For the procedure on deleting a LUN, see the Sun StorEdge RAID Manager User's Guide.

  6. Disconnect all cables from the array and remove the hardware from your cluster.

  7. Remove the paths to the LUN(s) you are deleting:


    # rm /dev/rdsk/cNtXdY*
# rm /dev/dsk/cNtXdY*

# rm /dev/osa/dev/dsk/cNtXdY*
# rm /dev/osa/dev/rdsk/cNtXdY*

  8. On all cluster nodes, remove references to the StorEdge/Netra st A1000 array.


    # scdidadm -C

  9. Remove any unused host adapter from nodes that were attached to the StorEdge/Netra st A1000 array.

    1. Shut down and power off the first node from which you are removing a host adapter:


      # scswitch -S -h nodename
# shutdown -y -g0 -i0

      For the procedure on shutting down and powering off a node, see the Sun Cluster 3.0 12/01 System Administration Guide.

    2. Remove the host adapter from the first node.

      See the documentation that came with your node hardware for removal instructions.

    3. Boot the node and wait for it to rejoin the cluster.


      ok boot -r

    4. Repeat Step a through Step c for the second node that was attached to the StorEdge/Netra st A1000 array.

  10. Return resource groups to their primary nodes.


    # scswitch -Z

  11. Are you removing the last StorEdge/Netra st A1000 array from your cluster?

    • If not, you are finished with this procedure.

    • If you are removing the last StorEdge/Netra st A1000 array from your cluster, go to Step 12.

  12. Remove RAID Manager patches, then remove RAID Manager software packages.

    Caution - Caution -

    If you improperly remove RAID Manager packages, the next reboot of the node will fail. Before you remove RAID Manager software packages, see the Sun StorEdge RAID Manager 6.22.1 Release Notes for uninstallation issues.

    For the procedure on removing software packages, see the documentation that shipped with your StorEdge/Netra st A1000 array.