8.
The wizard then moves to the Select Target Share step. Select a share on the target appliance and
click
Next
.
NOTE:
To create a new share on the target appliance, click
Create New Target Share
. Set up the
details as you would normally do when creating a new share. You cannot create a new target share if
the appliance to be used as the target has
Replication Source Permissions
enabled.
When creating a new share, a warning indicates that it will take a few seconds for the new share to
come online. Click
OK
.
NOTE:
The share version of the source and target NAS shares must be the same. You can change a
share from version 1 to version 2, but you cannot change from version 2 to version 1. In addition, you
cannot change from version 1 to version 2 if replication mapping is in place; you must first remove
the replication mapping, ensure both the source and target devices are on StoreOnce software
version 3.11.00 or higher (upgrade if necessary), change the source and target shares to version 2,
and then reapply the replication mapping. The items in the stores will be synchronized as though you
created a new replication mapping but the process is quick.
9.
Give the Share Mapping a name and click
Next
.
10.
The Summary screen is displayed. Click
Apply
to create the share mapping configuration.
Replication of files will start immediately.
NOTE:
If you can colocate the Target Appliance on the same LAN as the Source Appliance to
improve replication performance, relocate the Target Appliance to the target site as soon as the files
are synchronized.
Recovering a source appliance (NAS shares)
There are two ways of recovering NAS shares mappings after a disaster.
•
Reverse replication using the wizard
on page 73
•
Promoting a Target Share over the WAN using NAS
on page 74
IMPORTANT:
If you replace the disks in the source StoreOnce System and keep the original appliance, the source
to target mapping will still exist on the repaired StoreOnce System. You MUST BREAK this mapping
BEFORE carrying out recovery. If the mapping is left unbroken, the now blank Source Share (on the
replacement disks) will overwrite the data on the Target Share, effectively losing backup data on
both Source and Target Shares.
Reverse replication using the wizard
In this example, the remote site lost both the host servers and the StoreOnce System. New hardware was
purchased and installed, and the administrator must recover data to the StoreOnce System and restore to
the host server. Before the failure, a mapping existed between a Source Share on the remote site
StoreOnce System and a Target Share on the Data Center StoreOnce System. After the failure, the
Source Share is missing and the mapping will no longer exist.
Recovering a source appliance (NAS shares)
73