Administrator Guide

The snapshot appears (identied by its timestamp) when you expand the NAS container name in the far-left panel.
About Deleting NAS Container Snapshots
You can manually delete a snapshot when it is no longer needed.
The NAS cluster automatically deletes one or more of the oldest snapshots for a NAS container when:
• The number of snapshots created from a schedule exceeds the max-keep limit.
• A NAS container data deletion or write causes the in-use snapshot space to be larger than the size of the snapshot reserve.
Select the Enable data reduction checkbox to activate the Modify policy button. Enabling data reduction permanently removes
the snapshot reserve functionality from the NAS container.
In addition, the NAS cluster also automatically deletes NAS container snapshots when:
• You delete a NAS container. All the snapshots congured for that NAS container are also deleted.
• You restore a NAS container from a snapshot. All the snapshots created after the snapshot that was used to restore the NAS
container are deleted.
Delete a NAS Container Snapshot
To delete a NAS container snapshot:
1. Click NAS and expand NAS Cluster.
2. Expand Local Containers, then select and expand a NAS container name.
3. Select the snapshot that you want to delete.
4. In the Activities panel, click Delete snapshot.
5. Click Yes to conrm that you want to delete the snapshot.
Restore a NAS Container from a Snapshot
To restore a NAS container from a snapshot:
1. Click NAS and expand NAS Cluster.
2. Expand Local Containers and select a NAS container.
3. Click Restore NAS container.
4. Select the snapshot to restore and click OK.
5. Click Yes to conrm that you want to restore the NAS container from the snapshot.
After the restore operation completes, the NAS cluster deletes any snapshots that were created after the snapshot that was used to
restore the NAS container. Snapshots that were created before the snapshot that was used for the restoration are not aected.
NOTE: When you restore a NAS container from a snapshot, any currently mounted NFS exports will produce a Stale
NFS file handle error message. You must unmount and then remount the NFS exports.
Retrieve a File from a NAS Container Snapshot
1. Locate the .snapshot/[snapshot_name] directory in the aected NFS export or SMB share.
2. Locate the le in the snapshot directory.
3. Copy the le to the new location.
Modify the Name of a NAS Container Snapshot
When you create a snapshot, the name automatically assigned to the snapshot is based on the volume name, and includes a
timestamp and an identication number.
To modify the name of a NAS container snapshot:
1. Click NAS and expand NAS Cluster.
2. Expand Local containers and select the container that is associated with the snapshot that you want to modify.
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About Backing Up and Protecting Your Data