Message-Id: <4.3.2.7.2.20010904193203.032499a0@pop.xs4all.nl>
Date: Tue, 04 Sep 2001 19:33:49 +0200
To: utz lehmann <xfs@s2y4n2c.de>, Eric Sandeen <sandeen@sgi.com>
From: Seth Mos <knuffie@xs4all.nl>
Subject: Re: System lock while accessing files causes file corruption
Cc: "Gonyou, Austin" <austin@coremetrics.com>,
   XFS mailing list <linux-xfs@oss.sgi.com>
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At 17:57 4-9-2001 +0200, utz lehmann wrote:
>Hi Eric
>
>Eric Sandeen [sandeen@sgi.com] wrote:
> > But in any case, it occurred to me that you could make /etc on it's own
> > partition, and mount that O_SYNC - I don't think that would be too much
> > overhead, /etc doesn't get written that much on a normal system (?).  If
> > Oracle puts config files elsewhere, you could simlink them onto this
> > filesystem.
>
>You can't make /etc on a different partition than /.
>/etc, /sbin, /dev (without devfs) must on the / partition otherwise your
>system will not boot.

If you use a decent layout fopr your data it does not matter.
If you have a separate /usr /var /tmp /home like most servers do you could 
just mount your / fs O_SYNC since it would only have a _very_ slight 
performance loss since you almost never write to the root fs. :-)

Cheers

--
Seth
Every program has two purposes one for which
it was written and another for which it wasn't
I use the last kind.