"Reimer" <carlosreimer@xxxxxxxxxxxx> writes: > pg_dump: ERROR: could not access status of transaction 1768711534 > DETAIL: could not open file "/usr/local/pgsql/data/pg_clog/0696": = > Arquivo ou dire > t=F3rio n=E3o encontrado > How is the best way to fix? pg_resetxlog? resetxlog won't help: you've got corrupt data in that table. See the archives for previous threads about finding and removing corrupt rows. I concur with the nearby suggestion that you should be running something newer than 7.4.6, but even with an update you'll still be needing to clean up this corruption manually :-( regards, tom lane