Re: Raid1 and mdadm

Max Booker wrote:
> GRUB boot loader
>
>     hda1    /boot
>     hda2    /
>     hda3    swap
>
>     hdd1    (intended) mirror partition of  /
>
> I can create the (degraded) array on hdd1, mkfs on /dev/md0, mount /dev/md0
> as /mnt, copy / to /mnt, and edit /mnt/etc/fstab.
>
> Everything works well up to the point where I reboot, with kernel parameters
> (md=0,/dev/hdd1 root=/dev/md0). This is where the kernel panics.
>
> I think that I have not edited fstab properly, or GRUB is getting in the
> way, or maybe it is not possible to add hda2 to the array because it already
> has a filesystem on it.... How do I get hda2 to be part of the Raid array?
> Nothing attempted so far has made any impression on the fact that mdadm
> insists that /dev/hda2 is not an md component.

As far as I know you have to use LILO instead of GRUB to boot
from a root raid. Take care that raid1 is compiled into the kernel.

--
MfG / Regards
Friedrich Lobenstock

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