2 ms·
Typical solution is to mix synchronous block level replication intra-DC with asychronous replication inter-DC. I believe RDS utilizes DRBD for this intra-region
by Rapzid 8y ago
Typical solution is to mix synchronous block level replication intra-DC with asychronous replication inter-DC. I believe RDS utilizes DRBD for this intra-region.
This may be why failover is "safe" in certain circumstances.