Redistribute Volume Ownership

$DEV_NAME $FRU_NAME, has been selected.

To prepare for this maintenance activity, be aware of the following important conditions:

  • Enable the reserve the Common Storage Module (CSM) or Common Expansion Module (CEM) function.

    1. Reserve the CSM/CEM for maintenance.

    2. Enter a description of the service action (redistribute volume ownership).

    3. Select the estimated amount of time of the service action from the pull-down.

    4. Select the Reserve button.

      a) Other users will be alerted that this service action is in progress when they login.

  • Important: Verify that the host has multi-path drivers installed. If multi-path drivers are NOT installed, to prevent application errors I/O must be stopped to the the affected volumes until this command is completed.

  • This command reassigns (moves) all volumes to their "preferred" manager/controller.

  • Before executing this command make sure the customer is aware of this service action.

    To Distribute Volume Ownership

    1. Redistribute the volumes to their "preferred" manager/controller: Redistribute volumes.

    2. The Agent will now need to be run to provide a current update on the volumes and their "preferred" manager/controller.

      a) Run the Agent.

      b) At the Agent Summary window, select the box under the Add Agent column for the appropriate host that the new tray is attached to.

      c) Select the "Run Agent" button to execute the Agent.

    3. After the Agent has executed, verify that the volumes are now on their "preferred" manager/controller Verify volumes.

      a) From the Device Details screen, under Logical Components, select "Volume".

      b) From the Volume Summary screen, select the appropriate "volume name".

      c) From the Volume Details screen, under the Property column, find "On Preferred Manager" and verify that the Value is "true".

    4. Verify the controller/IOM "State" and "Status".

      a) The "State" should be "Enable" and the "Status" should be "OK".

    5. If the volumes are not on their "preferred" manager/controller or the controller/IOM "State" and "Status" are not as expected contact your Sun Service provider or your next level of technical support.

    6. Disable the reserve CSM/CEM function.

      a) Select the Release button.