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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--rqzD5py0kzyFAOWN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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/ [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725) --rqzD5py0kzyFAOWN Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEARECAAYFAkhpG0QACgkQEnfvsMMhpyX4jwCfVepfCjBW3U4f9aEn7orq73Qw FZYAnAsE3MM1a6eLef8HZHoWI16+IvB8 =G+xd -----END PGP SIGNATURE----- --rqzD5py0kzyFAOWN--
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