Unisphere and Unisphere Central 2020 R1 Administrator's Guide

Run the Space Reclamation Wizard

If a Storage Center enters Conservation mode, use the Space Reclamation wizard to analyze the Storage Center and perform space recovery.

1. If you are connected to a Data Collector, select a Storage Center from the drop-down list in the left navigation pane of Unisphere Central.
2. Click Summary.
   The Summary view is displayed.
3. Click (More Actions) and select Space Reclamation.
   The Space Reclamation wizard opens.
4. Select the storage type on which to perform a space reclamation assessment and click Next.
5. (Optional) If the wizard finds volumes in the recycle bin, select the volumes to delete, and click Next.
6. (Optional) If the wizard finds unmapped volumes, select the volumes to delete, and click Next.
7. (Optional) If the wizard finds volumes that are destinations for replication, select the volumes to delete, and click Next.
8. (Optional) If the wizard finds volumes with snapshot overhead that is larger than 1 GB, select the volumes with snapshots that can be expired, and click Next.
   For each volume selected, select the snapshots to expire and click Next.

   NOTE The active snapshot and the latest snapshot cannot be expired.
9. (Optional) If the wizard finds volumes that can be migrated to another storage type, select the destination storage type, select the volumes to migrate, and click Next.
10. On the Confirmation page, review the selected space reclamation actions.
    To perform the actions, select the I have reviewed all of the actions checkbox and click Next.
11. On the Summary page, view the status of the space reclamation actions and click Finish when the actions are complete.