Re: grub raid level 1 - I get a GRUB Loading stage2... then nothing

[Jason A. Lunn]

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> I will try it out and let you know the results.
>
> will this set of commands install the bootloader to both /dev/hda1 and
> /dev/hdb1
> so that if one of the devices fail it will still boot?
> Yoshinori K. Okuji writes:
>
> >  At Thu, 30 May 2002 19:42:42 -0700,
> >  brian wrote:
> > >  What commands do I need to issue to properly configure grub to 
> > > properly
> > >  load the raid?
> >  echo '(hd0) /dev/md0' > /boot/grub/device.map
> >  grub-install '(hd0)'
> >  Doesn't that work?
> >  Okuji

I am having similar problems to Brian (Brand new install of RH 7.3 on a 
P3, with a matched pair of Western Digital 120GB drives in RAID 1).

The upgraded the grub rpm from the default 0.91 that ships with RedHat 
7.3 to the latest rpm I found on rpmfind.net, version 0.92-4.

/boot is a 128MB raid1 parition, /dev/md9. The physical partitions that 
make up this device are /dev/hda1 and /dev/hdc1, and are both the first 
primary partitions of their respective drives.

I tried the above, and get the following:

address@hidden echo '(hd0) /dev/md9' /boot/grub/device.map
address@hidden grub-install '(hd0)'
expr: non-numeric argument
The file /boot/grub/stage1 not read correctly.

I have been tinkering with this a lot trying to get it to work, so it 
wouldn't surprise me if I had klobbered something along the line. I am 
willing to re-install the whole thing from scratch, but as it didn't 
work right out of the box the first time, I would want to know the 
exact steps to from a default RedHat install to a working bootable 
software RAID1.

Any thoughts, comments, and suggestions appreciated.

 - Jason A. Lunn

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