Hi, Back in October 2009, I reported on strange warm-standby problems in this thread: http://archives.postgresql.org/pgsql-admin/2009-10/msg00170.php Just in case anyone still cares or is wondering, we found the problem. The machine had bad RAM; we were getting undetected/uncorrected single-bit errors creeping through! The thing that led to the discovery was a cron job error complaining about a "SEHECT" statement when the Perl script clearly read "SELECT". We swapped the RAM a while back and the problem seems to have been cured. Regards, David. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin