"Vlad Arkhipov" wrote:
> PostgreSQL version: 9.0.3
> pg_dump: SQL command failed
> pg_dump: Error message from server: ERROR: could not access status
> of transaction 3499806839
> DETAIL: Could not open file "pg_clog/0D09": No such file or
> directory.
Did you get to 9.0 using pg_upgrade?
http://archives.postgresql.org/pgsql-announce/2011-04/msg00007.php
-Kevin