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Re: Anaconda, Grub, RAID 1, /boot



On Fri, Feb 16, 2007 at 11:36:06AM -0500, seth vidal wrote:
> On Fri, 2007-02-16 at 11:31 -0500, Jack Neely wrote:
> > Folks,
> > 
> > I've run into something odd, and a way to repair the damage, but was
> > hoping someone could shed some light on what's actually happening.
> > 
> > We've stabilized on RHEL 4.4 for the time being.  I have had several
> > reports of folks installing a RAID 1 system with /boot mirrored and
> > complained that Grub hangs or otherwise wont boot the system.  I've done
> > this a lot and it always works for me.
> > 
> > Until I installed a new Dell 1950.  Grub tries to load stage 1.5 and
> > runs off into random data land.
> > 
> > I used a Grub CD and 
> > 
> > root (hd0,0)
> > setup (hd0)
> > 
> > if I was lucky, I would get different random data.  However, when I used
> > my grub CD and the configfile option to bring up the system proper I can
> > run a grub shell from the system and do this:
> > 
> > device (hd0) /dev/sda
> > root (hd0,0)
> > setup (hd0)
> > 
> > I reboot the system and it works like a champ.
> > 
> > Try to install Grub again using the first method with the grub CD and we
> > are back to random data land.
> > 
> > What's happening here?  Is this #217176?
> 
> I've got a number of 1950s installed with /boot on sw-raid1. No problems
> so far. Have you been able to verify this on multiple 1950s? Could it
> just be this one?
> 
> -sv
> 

I'm very lucky to have gotten this one...so I don't have other 1950s to
test with.  Mind if I come pick up a few more?

What really makes me scratch my head is why my grub cd doesn't fix the
MBR properly the first time around.  It is a newer version of grub than
what's in RHEL 4.  *shrug*

Jack

-- 
Jack Neely <jjneely ncsu edu>
Campus Linux Services Project Lead
Information Technology Division, NC State University
GPG Fingerprint: 1917 5AC1 E828 9337 7AA4  EA6B 213B 765F 3B6A 5B89


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