Re: pg_ctl reload - is it safe?

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Larry Rosenman <ler(at)lerctr(dot)org>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, michael(at)synchronicity(dot)com, Pgsql-Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_ctl reload - is it safe?
Date: 2003-10-14 19:38:32
Message-ID: 200310141938.h9EJcWG23773@candle.pha.pa.us
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Larry Rosenman wrote:
-- Start of PGP signed section.
>
>
> --On Tuesday, October 14, 2003 15:31:42 -0400 Bruce Momjian
> <pgman(at)candle(dot)pha(dot)pa(dot)us> wrote:
>
> > Tom Lane wrote:
> >> Michael Brusser <michael(at)synchronicity(dot)com> writes:
> >> > Yes, we use NFS. Many of our customers use it as well.
> >>
> >> You are of course aware that this is not real safe...
> >
> > Maybe we should throw a "stop using NFS" if we get an EINTR from
> > read()/write(), or explain what NFS options they should avoid.
> Err, some of us use NetApp filers as NFS servers for our PG data, and I
> believe that that negates at least some of the risk. I don't want to see
> us (PG) not support something just because it *MAY* be unsafe.

True. I was going by the guy who said that only unsafe NFS flags will
cause this behavior --- and of course, 1/2 of it was a joke, and the
other 1/2 was just an idea thrown out.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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