"Ow Mun Heng" <ow.mun.heng@xxxxxxx> 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 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general