Date: Tue, 25 Jul 2006 15:57:24 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Lee Dilkie <Lee@dilkie.com> Cc: freebsd-geom <freebsd-geom@freebsd.org> Subject: Re: gconcat - adding additional disks Message-ID: <20060725135724.GD44939@garage.freebsd.pl> In-Reply-To: <44BD6DB9.6010501@dilkie.com> References: <44BD6DB9.6010501@dilkie.com>
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--GyRA7555PLgSTuth Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jul 18, 2006 at 07:24:41PM -0400, Lee Dilkie wrote: > Hi Folks, >=20 > I'm going to add a third disk to my gconcat array and I've googled the pr= oblem and from what I read it can be as simple as: >=20 > <current config> > $ mount > /dev/ad0s1a on / (ufs, local) > devfs on /dev (devfs, local) > /dev/ad0s1d on /usr (ufs, local, soft-updates) > /dev/concat/usr2_concat on /usr2 (ufs, local) >=20 > $ gconcat list > Geom name: usr2_concat > State: UP > Status: Total=3D2, Online=3D2 > Type: AUTOMATIC > ID: 3187483959 > Providers: > 1. Name: concat/usr2_concat > Mediasize: 200059870208 (186G) > Sectorsize: 512 > Mode: r1w1e0 > Consumers: > 1. Name: ad2 > Mediasize: 120034123776 (112G) > Sectorsize: 512 > Mode: r1w1e1 > Start: 0 > End: 120034123264 > 2. Name: ad3 > Mediasize: 80025747456 (75G) > Sectorsize: 512 > Mode: r1w1e1 > Start: 120034123264 > End: 200059870208 > </current config> >=20 > <proposed procedure> > {add new drive */dev/ad1*, reboot} > *{QUESTION? do I need to fdisk or bsdlabel the new drive?}* > $ umount /usr2 > $ gconcat stop usr2_concat > $ gconcat label usr2_concat /dev/ad2 /dev/ad3 /dev/ad1 > $ growfs /dev/concat/usr2_concat > $ mount /usr2 >=20 > </proposed procedure> >=20 > Would this work? Do I need to fdisk or bsdlabel the new disk or what? I don't see any slices, partitions on your gconcat device, so there is no need for fdisk/bsdlabel. > Any pitfalls to growing my gconcat array this way? It should work (your procedure is correct) as long as growfs(8) works correctly. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --GyRA7555PLgSTuth Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (FreeBSD) iD8DBQFExiNEForvXbEpPzQRAqyjAJ4zoahA1a+H0lVUdGnAEBU1A6nQOwCggZmA p07YjCZy/3HYqd9tFsfb5VU= =+gGU -----END PGP SIGNATURE----- --GyRA7555PLgSTuth--
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