A customer has heavy bandwidth traffic on their WAN link that they have isolated to HP 3PAR StoreServ Remote Copy replication between their primary and DR site. They are not concerned with the RTO…

Replicating just the database logs significantly reduces the volume of data transferred over the WAN compared to replicating an entire database, as logs only contain transaction changes. This optimizes bandwidth usage while still allowing for a good Recovery Point Objective (RPO) by replaying logs at the disaster recovery site.

Creating more Remote Copy volume groups is an organizational change for managing replication and does not inherently decrease the total volume of data being replicated across the WAN link.

Using synchronous mode replication for the entire database would substantially increase WAN traffic and latency because every write operation must be acknowledged by the remote site before the primary I/O completes.

Synchronous long distance mode replication, like other synchronous modes, necessitates immediate write acknowledgments from the remote site, which would increase WAN traffic and latency, contrary to the goal of reducing traffic.