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rihad
November 7th, 2009, 02:28 PM
Hello, first of all, I've been able to set up multibooting WinXP/Kubuntu/FreeBSD from RAID0 (ICH9R) before with Kubuntu 8.10/GRUB legacy. But 9.10/GRUB2 is whole another beast.
First off, the installer always croaks at the "setting up GRUB" stage, so I again rerun the setup from scratch but this time I uncheck the "Install GRUB boot loader" checkbox and try to set it up manually. Here's my setup:


# fdisk -l /dev/mapper/isw_dacdafdfg_RAHID

Disk /dev/mapper/isw_dacdafdfg_RAHID: 320.1 GB, 320079134720 bytes
255 heads, 63 sectors/track, 38914 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x8d248d24

Device Boot Start End Blocks Id System
/dev/mapper/isw_dacdafdfg_RAHID1 * 1 3039 24410736 7 HPFS/NTFS
/dev/mapper/isw_dacdafdfg_RAHID2 3040 3047 64260 83 Linux
/dev/mapper/isw_dacdafdfg_RAHID3 3048 38304 283201852+ 8e Linux LVM
/dev/mapper/isw_dacdafdfg_RAHID4 38305 38914 4899825 a5 FreeBSD
# chroot /target
# ls -l /boot/grub/
total 0
# grub-install /dev/mapper/isw_dacdafdfg_RAHID
grub-probe: error: no mapping exists for `isw_dacdafdfg_RAHID2'
Auto-detection of a filesystem module failed.
Please specify the module with the option `--modules' explicitly.
#

Please note that above GRUB assumes correctly that isw_dacdafdfg_RAHID2 is a Linux ext2 boot partition.


# grub-install --modules=ext2 /dev/mapper/isw_dacdafdfg_RAHID
grub-probe: error: no mapping exists for `isw_dacdafdfg_RAHID2'
grub-probe: error: no mapping exists for `isw_dacdafdfg_RAHID2'
grub-probe: error: no mapping exists for `isw_dacdafdfg_RAHID2'
You attempted a cross-disk install, but the filesystem containing /boot/grub does not support UUIDs.

After this stage, the system is unbootable. Please help, I've no idea what else GRUB wants from me, its online documentation is enormous, and I don't know where to look. Shouldn't simple software as GRUB2 be as simple as 1-2-3 to setup? :-(

rihad
November 7th, 2009, 05:33 PM
Anyone, please?

rihad
November 7th, 2009, 08:59 PM
Alright, I've figured it out. It's a known bug in GRUB 2 that it doesn't work correctly with Intel or Nvidia fake RAID. Going back to "Grub legacy" and using an appropriate howto solved the problem for me.

eekie
November 15th, 2009, 07:39 PM
I have the problem only with the 32 bits version.
Good you provide me with the appropriate link to the how to to solve this problem?