Powering off local storage systems (scheduled shutdown)

1. Stop read and write I/O to the local storage system.

2. Split all pairs that use external volumes.

   For information on pairsplit operations, see the user guide for the relevant software.

3. Confirm that the status of each external volume is Normal or Disconnect.

4. Perform any other operations required for powering off the external storage system.

5. Turn off the power supply of the local storage system.

Parent Topic

• Powering off and on local storage systems

  When you power off the local storage system, data for each external volume is destaged from the cache memory of the local storage system to the external volume.