Removing a Snapshot Volume

If a snapshot volume is no longer needed, you can remove it and free up the disk space for other uses by using the vxedit rm command.

Prerequisites

• You must be logged in as root.
• If the volume is on a mounted file system, you must unmount it before removing the volume.

  To remove a snapplan and snapshot volume

1. To remove the snapshot and free up the storage used by it:

   If the snapshot has been taken:

   1. Remove the snapshot as follows:
   
       # vxsnap -g diskgroup dis snapshot_volume
       # vxvol -g diskgroup stop snapshot_volume
       # vxedit -g diskgroup -rf rm snapshot_volume

   If the snapshot has not been taken and the snapshot plex (mirror) exists:

   2. Remove the snapshot as follows:
   
       # vxsnap -g diskgroup rmmir volume
2. Remove the DCO and DCO volume:
     # vxsnap -g diskgroup unprepare volume
3. Remove the snapplan.
     # /opt/VRTS/bin/dbed_vmchecksnap -D db -f snapplan -o remove

Example

To remove a snapshot volume from disk group PRODdg: