A two-system disaster recovery site consists of a source appliance at a production site and a replication target located at a recovery site in a geographically different location. In the event of a catastrophic production site failure, the administrator redirects client operations to the recovery site by reversing replication on the replication target, thus ensuring continuous operation. After the production site is restored to normal operation, the administrator updates the production site by reversing replication at the recovery site. To restore the original source-target relationship, replication is then reversed again.
To set up remote replication for disaster recovery, use these tasks: