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Date:      Mon, 30 Jun 2008 19:43:32 +0200
From:      Roland Smith <rsmith@xs4all.nl>
To:        Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
Cc:        Jim <stapleton.41@gmail.com>, freebsd-questions@freebsd.org
Subject:   Re: filesystem information
Message-ID:  <20080630174332.GD65282@slackbox.xs4all.nl>
In-Reply-To: <20080630190511.I7633@wojtek.tensor.gdynia.pl>
References:  <80f4f2b20806300401x71483882x8e9a6cf919f1ff9@mail.gmail.com> <20080630073059.be11304d.wmoran@potentialtech.com> <80f4f2b20806300930p67ca1fd5xf9ad59d16889df36@mail.gmail.com> <20080630170400.GB65282@slackbox.xs4all.nl> <20080630190511.I7633@wojtek.tensor.gdynia.pl>

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On Mon, Jun 30, 2008 at 07:05:51PM +0200, Wojciech Puchar wrote:
> > Ans set 'hw.ata.wc=3D"0"' in /boot/loader.conf to stop the drives from
> > caching writes.
>=20
> it will GREATLY reduce write performance. not just a bit, but many times.

Of course. And mounting filesystems with sync will also reduce
performance. But if you have frequent outages and without a UPS they
will at least help shorten fsck times and lessen potential data loss.

Roland
--=20
R.F.Smith                                   http://www.xs4all.nl/~rsmith/
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