Team

Pl Help in vetting my steps for Postgres DB upgrade from Ver 13.X to ver 15.X

Env = EC2 based Community PostgreSQL Ver 13.16.2

we will be performing upgrade of our EC2 server too along with new OS.

Need help in vetting my steps for Postgres DB upgrade from Ver 13.X to ver 15.X

ASIS-existing server = EC2 with Community PostgreSQL Ver 13.16.2

- ensure to capture all the pre.req meant for ver 15.10 are being met.

- shutdown db.

- take offline full backup (PG_DATA folder alone) using OS command

Proposed-new EC2 server (with new Operating System version along Postgres Ver 15.10 Binaries)

- install postgres 15.10 binaries

- ensure to DISABLE auto startup and shutdown of postgres 15.10

- Restore offline full backup (PG_DATA folder alone) using OS command

- start performing pg_upgrade step to upgrade postgres from ver 13.16.2 to 15.10

please guide me, if i have missed any steps in the abovesaid process

To start new DB features, planning to rollout out the following feature's alone

a) TLE extension for password compliance

b) parallelize vacuum jobs to utilize -j option