Snapshots and copy snapshots to a storage unit

When the Snapshots and copy snapshots to a storage unit attribute is enabled, the snapshot persists on the client volume with a backup copy made to the storage unit on the media server.

Snapshots only

When the Snapshots only attribute is enabled, the snapshot is not backed up to tape or to other storage. NetBackup creates a snapshot on disk only. This option is required for the NAS_Snapshot method.

The snapshot is created on the same device as the one that contains the original data if it uses VxFS_Checkpoint method or is vxvm space optimized. In this case, another policy can be used to back up the data to a separate device.

With this attribute enabled, transaction logs are not be truncated at the end of the backup.