So do I understand correctly that if I setup a 2 disk level 1 raid (one
primary and one mirror), if the primary disk fails, I can then boot the
mirror disk, provided that I have a non-mirrored root partition?

BTW, I don't think that my IPX supports the latest version of sparc OFW.

--tom


At 09:50 PM 10/23/01 +0200, you wrote:
>On Tue, Oct 23, 2001 at 01:18:56PM -0600, Greg Oster wrote:
>> Umm... no.  Just make sure the other disks are bootable as well. 
>> (i.e. duplicate the non-mirrored 'stuff needed to boot' onto the 2nd disk.)
>> I havn't tried this on sparc, but I have used dd to do it on i386, and it 
>> worked quite well.  (mark the normal boot disk as failed, hot pull it
out.. 
>> reboot. watch the machine boot from the 2nd drive.  hot add 1st drive, 
>> re-sync mirrors, continue happily.)
>
>And in the latest version of sparc OFW, you can specify 2 boot devices.
>If the first one fails, it'll try the second.
>SO it should even boot without human intervention :)
>
>--
>Manuel Bouyer <bouyer@antioche.eu.org>
>--
>
>