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Shut Down the Controller

Whenever the array is popwered off, you need to first shut down the controller to ensure that write cache is flushed to disk so that the backup battery (if present) is not drained by the cache memory.

CAUTION: Shutting down the controller causes the array to stop responding to I/O requests from the host. This might result in data loss unless all I/O activity is suspended by halting all applications that are accessing the array, and unmounting any file systems that are mounted from the array. In redundant-controller configurations, shutting down the controller affects all LUNs on both controllers.

  1. Select any storage icon in the main window.
  2. Choose Array Administration > Controller Maintenance.
  3. If you are not already logged in as ssconfig, a password prompt is displayed; type your ssconfig password.
  4. The Controller Maintenance Options window is displayed.

  5. Click Shut Down the Controller.
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