Get the latest tech news
About synchronous disk replication
Learn about synchronous disk replication in Compute Engine.
If the replicated disk has a status of catching up or degraded for a prolonged period of time and does not meet your organization's RPO requirements, we recommend that you take snapshots of the primary replica in either of following ways: Compute Engine synchronously replicates the data on your disk to the secondary zone to ensure a quick failover in case of a single replica failure. One of the benefits of Regional Persistent Disk and Hyperdisk Balanced High Availability ( Preview) is that in the unlikely event of a zonal outage, you can manually failover your workload to another zone.
Or read this on Hacker News
