Does grub support sw raid1?

[Nabeel Moidu]

On 3/21/06, Herta Van den Eynde <herta.vandeneynde at cc.kuleuven.be> wrote:
>
> (crossposted to linux-raid at vger.kernel.org and redhat-list at redhat.com)
> (apologies for this, but this should have be operational last week)
>
> I installed Red Hat EL AS 4 on a HP Proliant DL380, and configured all
> system devices in software RAID 1.  I added an entry to grub.conf to
> fallback to the second disk in case the first entry fails.  At boottime,
> booting from hd0 works fine.  As does booting from hd1.
>
> Until I physically remove hd0 from the system.
>
> I tried manually installing grub on hd1,
> I added hd1 to the device.map and subsequently re-installed grub on it,
> I remapped hd0 to /dev/cciss/c0d1 and subsequently re-installed grub
> all to no avail.
>
> I previously installed this while the devices were in slots 2 and 3.
> The system wouldn't even boot then.  It looks as though booting from sw
> RAID1 will only work when there's a valid device in slot 0.  Still
> preferable over hw RAID1, but even better would be if this worked all
> the way.
>
> Is this working for anyone?  Any idea what I may have overlooked?  Any
> suggestions on how to debug this?


Follow this
http://default.co.yu/~bc/docs/raid5-grub.html

Kind regards,
>
> Herta
>
> Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm
>
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--
Thanks and Regards
Nabeel Moidu
System Administrator
OnMobile System Inc
Bangalore, India
www.onmobile.com


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