[CentOS] offline root lvm resize

[Tom H]

On Sun, Jul 31, 2011 at 3:15 AM, Sean Hart <tevesxh at gmail.com> wrote:
>
> Finally figured it out, took me a good part of the day but..
> For some reason the device names of the raid arrays where changed md0
> became md126 and md1 became md127. this all must have happened while
> in fedora 15 livecd. I have no idea why (now i'm curious...).
> After changing the prefered minor superblock back (mdadm --verbose
> --assemble --update=super-minor --run /dev/md3 /dev/sda...) all is
> well again.

When the hostname's different (eg when booting from a live CD), the md
devices are renamed at assembly.