If you are instructed to do so, you can place a controller
in service mode.
Before you begin
The storage array must have two controllers.
The controller that you are not placing in service mode must be online
(in the optimal state).
Make sure that no volumes are in use or that
you have a multipath driver installed on all hosts using these volumes.
About this task
Note: Placing a controller in service mode might significantly reduce
performance. Do not place a controller in service mode unless you
are instructed to do so by technical support.
- Select Hardware .
- If the graphic shows the
drives, click Show back of shelf .
The graphic changes to show the controllers instead of
the drives.
- Click the controller that you
want to place into service mode.
The controller's context menu appears.
- Select Place in service mode , and confirm that you want to
perform the operation.