Resetting a Controller

$DEV_NAME $FRU_NAME, has been selected.

To prepare for this service action, perform the following:

  • Enable the reserve CRM function.

    1. Reserve the CRM for maintenance.

    2. Enter a description of the service action (resetting a controller).

    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.

  • This is command is used to reset the selected controller verify that you have selected the correct controller.

  • VERY IMPORTANT: Potential to cause an unresponsive storage array - Resetting a controller makes the controller unavailable for I/O until the reset is complete. If a host is using volumes owned by the controller being reset, any I/O to the controller will be rejected. Before resetting the controller, either verify that the volumes owned by the controller are not in use or ensure there is a multi-path driver installed on all hosts using these volumes.

    To Reset a Controller

    1. Verify that you have selected the correct controller.

    2. For the controller to be reset verify the "State" and "Status".

    3. After you have verified that the correct controller has been selected it can be reset: Reset Controller

    4. If the reset was successful the controller "State" should be "Enabled" and the "Status" should be "OK".

      a) Verify the "State" and "Status".

    5. If the reset wasn't successful contact your Sun Service provider or your next level of technical support.

    6. Disable the reserve CRM function.

      a) Select the Release button.