Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 7 May 2007 19:04:34 +0200
From:      Pawel Jakub Dawidek <pjd@FreeBSD.org>
To:        Joerg t <tjoerg@yahoo.com>
Cc:        freebsd-current <freebsd-current@freebsd.org>
Subject:   Re: zfs and disk write cache
Message-ID:  <20070507170433.GA10442@garage.freebsd.pl>
In-Reply-To: <852892.32081.qm@web63709.mail.re1.yahoo.com>
References:  <852892.32081.qm@web63709.mail.re1.yahoo.com>

next in thread | previous in thread | raw e-mail | index | archive | help

--+HP7ph2BbKc20aGI
Content-Type: text/plain; charset=iso-8859-2
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Mon, May 07, 2007 at 09:34:20AM -0700, Joerg t wrote:
> Does zfs on FreeBSD also disables the disk write cache like on Solaris if=
 we give only a slice of the disk ?

No. On Solaris write cache is disabled by default AFAIK, because of UFS,
so ZFS on Solaris doesn't turn on write cache when it is configured on a
slice, because another slice may have UFS. On FreeBSD write cache is
enabled by default, so ZFS bascially doesn't touch it.

--=20
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd@FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

--+HP7ph2BbKc20aGI
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (FreeBSD)

iD8DBQFGP1whForvXbEpPzQRAlG9AJ4o60D8+0kDMtCNtayOhT7hSlZyuQCg6mfh
MDNWOwi915XlEPaq+n1V57Q=
=ThxI
-----END PGP SIGNATURE-----

--+HP7ph2BbKc20aGI--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20070507170433.GA10442>