Re: Boot from LVM2 on RAID1 on 2xRAID5

[Robert Millan]

On Mon, Jul 28, 2008 at 05:31:22AM -0400, Richard Michael wrote:
> Hello list,
> 
> Apologies if this is a "support" question that doesn't belong on the
> devel list.  (I've been looking into RAID/LVM improvements in grub2 and
> thought this list might be appropriate, however.)
> 
> I have a linux system with 8 disks.  I would like to divide them into
> groups of 4 and create 2 RAID5 arrays; then run a RAID1 array across the
> two RAID5 arrays; and finally LVM2 on top of the RAID1 array.
> 
> Can grub2 boot such a nested configuration?  If so, what special steps
> must I take to install the bootloader?  (I'll install the system with
> grub-legacy using Fedora or another distro, then migrate to grub2.)
> 
> For maximum simplicity and elegance, can I avoid a special /boot
> partition?  If not, I suppose I would create a RAID1 across a small
> partition on all 8 disks for /boot.

Using a /boot partition is recommended.  It should still work without it,
but it's less tested.

-- 
Robert Millan

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<DRM> What good is a phone call… if you are unable to speak?
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