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Place controller online

If a controller is in the offline state or in service mode, you can place it back online.

  1. Select Hardware .
  2. If the graphic shows the drives, click Show back of shelf .
    The graphic changes to show the controllers instead of the drives.
  3. Click a controller that is in either the offline state or service mode.
    The controller's context menu appears.
  4. Select Place online , and confirm that you want to perform the operation.

What happens next?

Detection of a restored preferred path by the multipath driver can take up to 10 minutes.

Any volumes originally owned by this controller are automatically moved back to the controller as I/O requests are received for each volume. In some cases, you might need to manually redistribute the volumes with the Redistribute volumes command.