Re: Unhelpful initdb error message

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Thom Brown <thom(at)linux(dot)com>
Cc: Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: Unhelpful initdb error message
Date: 2012-03-06 17:53:52
Message-ID: 2142.1331056432@sss.pgh.pa.us
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Thom Brown <thom(at)linux(dot)com> writes:
> /home/thom/Development/data was causing problems so:

> mv data databroken
> mkdir data
> initdb

> ... working fine again. I then used the postmaster.pid from this when
> started up. But if I do:

> pg_ctl stop
> rm -rf data
> mv databroken data
> initdb

> ... error messages appear again.

Okay, so the question becomes: what is different between databroken and
a freshly mkdir'd empty directory? If there is no visible difference in
contents, ownership, or permissions, then it seems like this is evidence
of a filesystem bug (ie, apparently empty directory acts nonempty for
some operations).

regards, tom lane

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