Date: Thu, 13 Sep 2007 10:17:48 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: n j <nino80@gmail.com> Cc: freebsd-geom@freebsd.org Subject: Re: Gmirror on a partition of a slice Message-ID: <20070913081748.GA1155@garage.freebsd.pl> In-Reply-To: <92bcbda50709120843o6af4bd38v8725be3f5b765b0e@mail.gmail.com> References: <92bcbda50709120843o6af4bd38v8725be3f5b765b0e@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--dDRMvlgZJXvWKvBx Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Sep 12, 2007 at 05:43:50PM +0200, n j wrote: > Hello, >=20 > I've originally sent this mail to -questions, but -geom is probably > the better place to ask for pointers to any help regarding installing > gmirror on a partition of a slice. Here's the problem. >=20 > Using http://www.onlamp.com/pub/a/bsd/2005/11/10/FreeBSD_Basics.html > and http://people.freebsd.org/~rse/mirror/ as pointers, as well as > handbook and man pages, I tried to set up gmirror on a partition of a > slice the following way (using identical 1Gb disks da0 & da1): >=20 > 1) install FreeBSD on 1st disk /dev/da0s1a >=20 > 2) create slice on 2nd disk fdisk -BI /dev/da1 >=20 > 3) bsdlabel -w -B /dev/da1s1 >=20 > 4) edit BSD label to create a ~500 Mb partition for gmirror > a: 1000000 16 4.2BSD 2048 16384 8 > c: 2097120 0 unused 0 0 # "raw" part >=20 > 5) gmirror label -h -n -b round-robin gm0 /dev/da1s1a to create mirror >=20 > 6) fdisk -BI /dev/mirror/gm0 to create a slice in gm0 Don't do this. > 7) bsdlabel -w -B /dev/mirror/gm0s1 to create root partition > a: 995951 16 4.2BSD 2048 16384 8 > c: 995967 0 unused 0 0 # "raw" part And this. > 8) newfs, mount, dump/restore to /dev/mirror/gm0s1a, modify fstab, > loader.conf, create boot.config to boot off mirror newfs /dev/mirror/gm0. Copy the data from da0s1a to /dev/mirror/gm0. Modify /etc/fstab on da0s1a to mount root as /dev/mirror/gm0. For example: # newfs -U /dev/mirror/gm0 # mount -o noatime /dev/mirror/gm0 /mnt # cd / # tar -c --one-filesystem -f - . | tar xpf - -C /mnt/ # umount /mnt --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --dDRMvlgZJXvWKvBx Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFG6PIsForvXbEpPzQRAiaCAKCOYfBXOnbdOlmFxYsQUcLlJW7uLQCeOCCr bR4VulPpC1NNO1GtfiJimPU= =wkCj -----END PGP SIGNATURE----- --dDRMvlgZJXvWKvBx--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20070913081748.GA1155>