Achilleas Mantzios <achill@matrix.gatewaynet.com> writes:
> However i could not find any inode creation time related info for linux
> (ext3).
I don't believe it keeps that. You could possibly look at the mod time
on the PG_VERSION file ... Postgres never touches that after DB creation.
This is not, however, much of a guarantee as something else could have
changed it, eg a file backup/restore process.
regards, tom lane