Encryption is enabled by default. However, for best performance, if your data
network is already secured, you should clear the Use Encryption check box.
4. Click Apply.
The snapshot is sent to the source system.
5. On the source system, in the Snapshots List, select the snapshot that was sent during
the failback operation and click Recover.
The Recovered Partition Name page displays.
6. (Optional) In the Recovered Partition Name box, type a new name for the recovered
partition. (The default name is the original partition name.)
7. Click Apply.
The partition and its cartridges are recovered on the source system. All data stored on
the partition at the time the snapshot was saved is available.
After recovering the partition, you must add tape drives and a robot to the partition, and
you must map the devices before the VTL partition is accessible. If the partition contains
media, you will only be able to select the highest capacity tape drive for that media type.
For example, if the partition contains SDLT600 tape cartridges, you will only be able to
select DLT-S4 tape drives when mapping devices to the recovered partition.
When a VTL partition is recovered on a target system, a new serial number is
created for the partition.
If you previously remapped your backup application to a recovered partition on the
target system, after you failback the partition, you must remap your backup
application again to point to the source system.
Deleting a Snapshot
Delete a snapshot if it is no longer needed. After you delete a snapshot, it can no longer be
used to recover or failback a VTL partition.
You cannot delete a snapshot if a failback operation is in progress for the
snapshot. Wait for the failback operation to complete, or abort the operation (see
"Failback Jobs" on page 399).
To delete a snapshot:
1. Do one of the following actions:
l On the source system, disable replication for the partition associated with the
snapshot (see "Enabling Replication For a Share or Partition" on page 374).
ETERNUS CS800 397
11 Replication
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