Our IT dept needs to install a patch on both primary and backup servers for our Postgres Automatic Failover configured DB (version 9.6 on linux). From the standpoint of the DB users, can a strategy be implemented such that they see zero downtime during this process as the 2 servers are taken down in sequence for their patch, switching the role of primary and backup as this happens ?
- Can PAF be used to provide zero downtime while primary and ... David Gauthier
