Re: Strange problem when upgrading to 7.2 with pg_upgrade.

Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Since I have done a vacuum, I assume I just keep creating 256k chunks
> until I reach the max xid from the previous release, and delete the
> files prior to the 1gb size limit.

Keep your hands *off* the existing segments.  The CLOG code will clean
them up when it's good and ready ...
        regards, tom lane