The version you are running is neither up-to-date for its major version (9.4) nor is the major version being supported.
https://www.postgresql.org/support/versioning/ Thoug a functioning backup is good to have before upgrading, especially major versions. On Wednesday, June 24, 2020, Sri Linux <srilinu...@gmail.com> wrote: > > I am trying to do PINT backup and recovery for the standalone > database which is not in a cluster. > That is not possible. Its unclear what exactly you mead/did though. Consider sharing actual commands/scripts. < 2020-06-22 16:34:08.487 CDT >LOG: WAL file is from different database > system: WAL file database system identifier is 6840038030519879233, > pg_control database system identifier is 6841285371464745049. > You cannot PITR if the WAL doesn’t match the base backup for the cluster you are trying to restore. https://www.postgresql.org/docs/9.4/continuous-archiving.html Or, probably better, consider using a third-party system. David J.