Peter Wiersig <peter@friesenpeter.de> writes:
> vacuumdb -z miwabar
> PANIC: open of /var/lib/pgsql/data/pg_clog/0000 failed:
> Keine Berechtigung
> server closed the connection unexpectedly
What PG version is this exactly? We have had some bugs of that
ilk in the past, but AFAIK they are all resolved in latest releases.
regards, tom lane