> This morning we got the following error from a daily script that
> produces a simple largest-table report:
> ERROR: could not open relation with OID 597597503
>
From a bit of Googling, it seems that Postgres was unable to open the
physical file that contains the relation.
Is it possible that there was an error accessing the disk? How is the
filesystem that contains your PGDATA directory mounted?
Kind regards,
Andomar