HP StoreOnce VSA Backup System User Guide (TC458-96025)

9. As soon as reverse replication completes, the data may be recovered to the host using the
original backup application.
10. New backups can now run to the Source Appliance and replication will run normally without
further configuration.
Promoting a Target Share over the WAN using NAS
In this example, the remote source site lost both the host servers and the StoreOnce system. New
server hardware was purchased and installed, and the administrator must recover data to the
server. The administrator has not installed a new StoreOnce Backup system and is going to recover
data directly to the server from the Data Center StoreOnce appliance over the WAN (which will
take a long time).
NOTE: The procedure described below retains the ability to back up to the Target Share. If this
is not required, an easier solution may be to recover data from the Target Share, which is read-only.
NOTE: Keep in mind that recovering high volumes of data by this method (over the WAN) will
take a considerable amount of time. Recovering data at the data centre is much faster and once
recovered it can be transported to the remote site.
Before the failure, a mapping existed between a Source Share on the remote site StoreOnce Backup
system and a Target Share on the Data Center StoreOnce Backup system. After the failure, the
mapping still exists but the Source Share is missing. The Target Share on the Data Center StoreOnce
Backup system is still in Target Share mode, it has not had its mappings removed.
1. On the Target Appliance in the Data Center, go to the Replication—NAS Mappings page,
select the Target Share, and remove the mapping between it and the lost Source Share.
2. The Target Share becomes a non-replicating share.
3. Make sure the backup application is targeting the newly non-replicating share at the data
centre and recover the data using the backup application at the data center.
4. At this point there is no HP StoreOnce Source Appliance at the remote site. If one is installed
at a later date, reverse recover the data and configure replication as described in Reverse
replication using the wizard (page 76).
NAS Mappings (Replication) 79