On old VM [ existing server with OS "Amazon Linux release 2 (Karoo) " present in aws "us-east-1 region" and along with postgresql ver 13.16.2 - community edn ]
- "take offline full backup (PG_DATA folder alone) using OS command"
On new VM [OS "Amazon Linux 2023 " in aws region=us-east-1 and intended db as "postgresql 15.10 - community edn" ]
- "Restore offline full backup (PG_DATA folder alone) using OS command"
- create postgres unix userid
- install postgresql ver 15.10 binaries
- setup respective env variable to point correctly for PG_DATA
- will follow "pg_upgrade"
my question is
a) is the above said steps is correct with the given existing and proposed setup