"Ow Mun Heng" <ow.mun.heng@wdc.com> writes:
> As background, this is a new box mirrored from a separate box via rsync.
> I've basically copied/rsync the entire postgresql server and data files over
> to create a mirror copy. After which, I've tried to do the vacuum and gotten
> into the above trouble.
Did you shut down the old postmaster while mirroring its files? I could
believe seeing this type of problem as a consequence of getting
out-of-sync copies of different parts of the database.
regards, tom lane