I've finally done a successful pvcreate. First I booted into Knoppix 6.2.1, started raid1, pvcreate failed, stopped mdadm and did a pvcreate on /dev/sdc2. Booted back into Fedora, and I have successfully done a vgextend to /dev/md1, and am now moving the extents over. Once I have everything moved, and the fstab set up correctly, before I add /dev/sda2 to the raid1, I will remove /dev/sda1 from /dev/md0, and repartition /dev/sda on cylinder boundaries. The messy step is rebuilding the boot partition, but I've done that many times before.
On 03/04/2010 11:23 AM, Benjamin Scott wrote: > On Thu, Mar 4, 2010 at 7:34 AM, Jerry Feldman <g...@blu.org> wrote: > >> On 03/03/2010 09:53 PM, Benjamin Scott wrote: >> >>> md1 (currently only on sdc2) is bigger than sda2. You will not be >>> able to mirror md1 back on to sda2 without repartitioning sda, which >>> will mean removing sda1 from md0. >>> >>> >> That is intentional. /dev/SDA is a Seagate and /dev/sdc is a WD. >> > Interesting. According to the fdisk output, they're identical in > size, down to the block. Usually I don't get that lucky, I've found. > :) > > >> This way I reduce the chance of a simultaneous failure, like we had at the >> BLU last year where all of our drives were the same MFR and lot #. >> > Hmmm, that's a good idea. > > -- Jerry Feldman <g...@blu.org> Boston Linux and Unix PGP key id: 537C5846 PGP Key fingerprint: 3D1B 8377 A3C0 A5F2 ECBB CA3B 4607 4319 537C 5846
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