Jeff Davis <pgsql(at)j-davis(dot)com> writes:
> On Tue, 2013-06-25 at 09:46 -0400, Tom Lane wrote:
>> That's definitely telling you it got ENOSPC from a write in
>> $PGDATA/pg_xlog.
> Either that, or write() wrote less than expected but did not set errno.
Good point. I wonder if he's using a filesystem that is capable of
reporting partial writes for other reasons, eg maybe it allows signals
to end writes early. (Though if it is, it's not apparent why such
failures would only be manifesting on the pg_xlog files and not for
anything else.)
regards, tom lane