Jacob Coby <jcoby@xxxxxxxxxxxxxxx> writes: > I've got a pg 8.1.1 server running autovacuum, and it started attempting > to vacuum template0. > 2006-06-22 15:00:50 EDT LOG: autovacuum: processing database "template0" > 2006-06-22 15:00:50 EDT ERROR: could not access status of transaction > 3242180415 template0 should surely not contain any such transaction number. Either there's something you're not telling us about the history of this installation, or template0 contains corrupt data, or ???. What does the pg_database row for template0 contain? If you clone template0 (CREATE DATABASE foo WITH TEMPLATE template0), does a vacuum in the new database succeed? regards, tom lane