RE: GRUB + LVM + Raid 1 and 6

[Gregg C Levine]

Hello!
I remember from an earlier discussion with someone else. That despite the
well meaning intentions of the developers behind LVM and Raid drive frames,
and the folks at Red Hat, it is necessary to do these things. And those
things are to create your boot partition away from where the whole LVM
business starts. Also make sure you have a working initial root device, or
initial root file system, as depending on your kernel.

Also please contribute if possible a listing of your menu list file for
GRUB.

--
Gregg C Levine address@hidden
"The Force will be with you always." Obi-Wan Kenobi
  


> -----Original Message-----
> From: address@hidden
[mailto:bug-grub-
> address@hidden On Behalf Of roger p
> Sent: Monday, January 07, 2008 4:22 AM
> To: address@hidden
> Subject: GRUB + LVM + Raid 1 and 6
> 
> 
>  I have installed Fedora Core 8 in a machine with 4 disks each 200
>  GBytes; sda, sdb, sdc, sdd
> 
>  the partitioning is the following:
> 
>  md0: /boot     (Raid-1 (2 disks + 2 spare disks))
>  md1: /            (RAID-6, (4 disks) + LVM)
>  - the LVM has logical volumes:
>    - / for the linux (00)
>    - /home the rest (02)
>    - swap (01)
> 
>  When I now start the server it stops without any GRUB menu coming up,
>  the error message "GRUB hard disk error" is displayed.
> 
>  When I start through the linux rescue it works fine. It reads the hard
>  disk and no problem when I do the chroot /mnt/sysimage
> 
>  What is the problem? It seems that the hard disk ctructure can not be
>  read by GRUB.
> 
>  What to do?
> 
> CK
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