sergio nogueira <sergiopnog(at)gmail(dot)com> writes:
> monitor=# vacuum full
> monitor-# ;
> ERROR: could not truncate relation 18293/18295/19113 to 68908 blocks:
> Permission denied
> PANIC: cannot abort transaction 140578842, it was already committed
The PANIC is a known problem if vacuum full fails at the wrong place.
The real issue here is why are you getting permission denied on the
truncate? Since this is apparently a Windows installation, I'm betting
on interference from some broken Windows antivirus software.
regards, tom lane