You can remove drives to decrease the capacity of an existing pool or SSD Cache.

After you remove drives, the data in each volume of the pool or SSD Cache is redistributed to the remaining drives. The removed drives become unassigned, and their capacity becomes part of the total free capacity of the storage array.

About this task

Follow these guidelines when you remove capacity:

The following are potential performance impacts:

The following are impacts to secure-capable drives:

  1. From the Manage page, select the storage array.

    Select Provisioning  Configure Pools and Volume Groups.

  2. Select the pool or SSD Cache, and then click More  Remove capacity.

    The Remove Capacity dialog box appears.

  3. Select one or more drives in the list.

    As you select or de-select drives in the list, the Total capacity selected field updates. This field shows the total capacity of the pool or SSD Cache that results after you remove the selected drives.

  4. Click Remove, and then confirm you want to remove the drives.


The newly reduced capacity of the pool or SSD Cache is reflected in the Pools and Volume Groups view.