Migrate from Crunchy Data PostgreSQL Operator to Percona PostgreSQL Operator: Backup-Restore and Persistent Volume Reuse (opens in new tab)

A Percona PostgreSQL operator pgBackRest restore is the simplest way to move off the Crunchy Data PostgreSQL Operator: take a full Crunchy backup, point the new Percona cluster's dataSource at the existing pgBackRest archive, and the cluster bootstraps from it before its first start. This post covers that path, plus a second option, persistent-volume reuse, for cases where you want to skip the data copy entirely. This is part 3 of a 3-part series on running PostgreSQL on Kubernetes with a ful...