Re: [GENERAL] pg_dump 8.3.3 ERROR: invalid page header in block 2264419 of relation "pg_largeobject"

David Wall <d.wall@computer.org> writes:
> They do have a slave DB running via WAL shipping.  Would that likely
> help us in any way?

Have you tried taking a backup from the slave?  It's possible that
the corruption exists only on the master.

            regards, tom lane