[olug] System booting from software raid -- possible?

[Phil Brutsche]

Daniel Linder wrote:
> Good idea, thanks.
> 
> So, where does GRUB get installed to?  Or is it just a matter of
> installing the GRUB boot loader to each /dev/sd* device and when /dev/sda
> fails, the GRUB on /dev/sdb takes over?

Exactly.

Note that, in the failed drive case, things are *not* graceful. If you
want graceful, use a hardware RAID controller.

BTW make sure you test a drive failure with your distribution! Not all
installers set up grub properly to handle a mirrored /boot (or wherever
your kernel is).

This link has the details:
http://www.linuxsa.org.au/mailing-list/2003-07/1270.html

-- 

Phil Brutsche
phil at brutsche.us