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SANtricity 11.5
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Place controller in service mode

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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.
Steps

  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 the controller that you want to place into service mode.

    The controller's context menu appears.

  4. Select Place in service mode, and confirm that you want to perform the operation.