To prevent overwriting data, the best practice is to set either the Switchover or the Reverse Replication Initiation property to Automatic. If a server fails while both properties are set to Automatic, Arcserve RHA triggers Switchover without administrative involvement and could start Reverse Replication before you have investigated the cause of the failure. During Reverse Replication, Arcserve RHA overwrites data on your production server.
If a crash or outage occurs during switchover, you may need to perform the Recover Active Server procedure.
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