Nacho Mezzadra <nachomezza...@gmail.com> writes:
> Tom, Robert, sorry I am coming back to you after a while, but we still
> have the same issue. This has been happening in our environments, but
> now it is also happening in customers' environments -which we do not
> set up- and it is also happening. All environments are always Red Hat
> Enterprise 5.3.
You still haven't given any reason to think this is a Postgres bug,
nor indeed any information beyond what you said originally.
One thing that strikes me is that both pg_tblspc and pg_twophase are
empty and unused during normal operation (if you're not using the
relevant features). They are scanned during postmaster startup though,
which is why you're getting failures then. I suspect that these
subdirectories are not in fact getting removed during PG shutdown or
restart, but were deleted some time before that. In particular I wonder
if somebody's loosed an overaggressive tmp-file-cleaning script on your
whole filesystem. Something that was removing empty directories that
hadn't been accessed in awhile could explain this.
regards, tom lane
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