Stupid RAID question

[William Park]

On Mon, Oct 03, 2011 at 07:27:54PM -0400, William Muriithi wrote:
> > It depends. It's usual, and actually quite typical to have the OS
> > and boot system in a non-RAID drive and then start your array from
> > that disk. For example, older servers had a boot-up IDE drive and
> > then from there you would start the array.
> >
> Hmm, why would you do that whem you can boot straight on the RAID
> system and hence avoid single point of failure? That was a good
> solution when GRUB was not able to handle RAID

I don't think you can boot off RAID5, yet.  All the docs talk about
booting from RAID0 or RAID1.

For the OP... I recommend going directly to 'mdadm' software raid.
You may want to try your "device mapper", but you'll find that it's
dependent on BIOS to do its "fake raid".
-- 
William
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