"Andrus Moor" <kobruleht2(at)hot(dot)ee> writes:
> I noticed that backups created by pg_dump are not usable if backup file size
> is greater than 2 GB.
> Backups are create in 8.1
This is a known bug that was fixed more than two years ago ... but not
in 8.1, which was already considered unsupportable on Windows at the
time. You *really* need to get off of 8.1.
regards, tom lane