Date: Thu, 13 Sep 2007 06:55:33 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: David Cecil <david.cecil@nokia.com> Cc: ext n j <nino80@gmail.com>, freebsd-geom@freebsd.org Subject: Re: Gmirror on a partition of a slice Message-ID: <20070913045533.GB8274@garage.freebsd.pl> In-Reply-To: <46E87D0C.5000300@nokia.com> References: <92bcbda50709120843o6af4bd38v8725be3f5b765b0e@mail.gmail.com> <46E87D0C.5000300@nokia.com>
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On Thu, Sep 13, 2007 at 09:58:04AM +1000, David Cecil wrote:
> Hi,
>=20
> I didn't think it was possible to mirror just a partition (as opposed to=
=20
> a slice). As far as I know, you can mirror a whole disk or a slice, but=
=20
> not a BSD partition. Has this changed? Why don't you just mirror the=20
> slice?
You can mirror any GEOM providers, which includes disks, slices,
partitions, encrypted providers, RAID0/RAID3 devices, ZFS volumes, GEOM
gate devices, and more. Anything you can probe with diskinfo(8) can be
mirrored (and used for other GEOM classes too). It's more than that. You
can even mix providers from different GEOM classes, eg:
lcf:root:~# gmirror status
Name Status Components
mirror/foo COMPLETE ad4
ad5s1
ad6s1a
ad7.eli
stripe/bar
raid3/baz
ggate0
zvol/tank/vol
That's GEOM, my friend:)
--=20
Pawel Jakub Dawidek http://www.wheel.pl
pjd@FreeBSD.org http://www.FreeBSD.org
FreeBSD committer Am I Evil? Yes, I Am!
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