On Thu, 2024-10-10 at 11:52 +0530, Sameer Malve wrote: > I have few questions. > > 1. As I have observed, the PostgreSQL upgrade package has only the lower > major version binaries. So what if I want to upgrade from PG 13 to PG 16? That works just the same. > 2. If upgrade fails then what are the rollback steps. Do you know if it is documented somewhere? If you didn't use the --link option of pg_upgrade, you can simply fall back to the old cluster. If you used --link, you will have to restore your backup (or promote a standby server that you prepared for this eventuality). See the pg_upgrade documentation. Yours, Laurenz Albe
