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Before you can failback a share, on the original source system, you must add the
original target system to the list of allowed replication sources (see "Adding a
Replication Source" on page 239). This is because, during failback, the original
target is acting as a source when it sends a snapshot to the original source.
To perform a share failback:
1. On the target system, select a snapshot in the Snapshots List and click Failback.
The Failback Target page displays (see Figure 219).
Figure 219: Failback Target Page
2. (Optional) In the Failback Destination System box, type the hostname or IP address
of a new destination system to failback the share to. (The default destination is the
original source system.)
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To use hostname format, you must specify at least one DNS IP address on the
Network page (see "Network" on page 286).