[resend from 2007-12-08]
Hi,
I'm trying out Grub2 to for a setup with root on lvm, and it
almost works :-) (grub2 looks great, btw!) If I install grub on a
non-lvm partition without lvm preloaded in core.img, it works
fine. It looks as if the lvm module is defunct when it is loaded
from core.img: ls shows no lvm devices.
Whenever I `insmod lvm' after grub starts (ie: from the grub
rescue command line reading from a non-lvm partition, or from
within grub.cfg with grub's root and grub.cfg on a non-lvm
partition), ls will show my lvm devices.
Here is what I do
grub-mkimage --output=/boot/grub/core.img lvm ext2 pc gpt biosdisk
grub-setup --root-device='(lvmraid-lvm0)' '(hd0)'
(no errors)
mount |grep '/ '
/dev/mapper/lvmraid-lvm0 on / type ext3 (rw,errors=remount-ro)
(reboot)
grub rescue> set
prefix=(lvmraid-lvm0)/boot/grub
root=lvmraid-lvm0
grub rescue> insmod normal
error: unknown device
grub rescue> lsmod
Name Ref Count Dependencies
biosdisk 1
gpt 1
pc 1
ext2 1 fshelp
fshelp 2
lvm 1
grub rescue> ls
(hd0) (hd0,1) (hd0,5) (hd0,6) (hd0) (hd1,1) (hd1,5) (hd1,6)
grub rescue> rmmod lvm
grub rescue> insmod (hd1,1)/boot/grub/lvm.mod
grub rescue> ls
(lvmraid-lvm0) ...
grub rescue> insmod normal
grub rescue> normal
and the menu appears.
Any ideas? I'm using grub-pc 20071101-CVS from Ubuntu (on x86_64),
but I also tried a core.img built using today's CVS.
Greetings,
Jan.
/boot/grub/grub.cfg
#
# DO NOT EDIT THIS FILE
#
# It is automaticaly generated by /usr/sbin/update-grub using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
set default=2
set timeout=5
set root=(lvmraid-lvm0)
font (lvmraid-lvm0)/usr/share/grub/unifont.pff
set gfxmode=640x480
insmod gfxterm
insmod vbe
terminal gfxterm
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/10_hurd ###
### END /etc/grub.d/10_hurd ###
### BEGIN /etc/grub.d/10_linux ###
menuentry "Debian GNU/Linux, linux 2.6.22-14-generic" {
linux (lvmraid-lvm0)/boot/vmlinuz-2.6.22-14-generic
root=/dev/mapper/lvmraid-lvm0 ro
initrd (lvmraid-lvm0)/boot/initrd.img-2.6.22-14-generic
}
menuentry "Debian GNU/Linux, linux 2.6.22-14-generic (single-user
mode)" {
linux (lvmraid-lvm0)/boot/vmlinuz-2.6.22-14-generic
root=/dev/mapper/lvmraid-lvm0 ro single
initrd (lvmraid-lvm0)/boot/initrd.img-2.6.22-14-generic
}
menuentry "Debian GNU/Linux, linux 2.6.20-16-generic" {
linux (lvmraid-lvm0)/boot/vmlinuz-2.6.20-16-generic
root=/dev/mapper/lvmraid-lvm0 ro
initrd (lvmraid-lvm0)/boot/initrd.img-2.6.20-16-generic-lvm0
}
menuentry "Debian GNU/Linux, linux 2.6.20-16-generic (single-user
mode)" {
linux (lvmraid-lvm0)/boot/vmlinuz-2.6.20-16-generic
root=/dev/mapper/lvmraid-lvm0 ro single
initrd (lvmraid-lvm0)/boot/initrd.img-2.6.20-16-generic
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
linux (lvmraid-lvm0)/boot/memtest86+.bin
}
### END /etc/grub.d/20_memtest86+ ###
--
Jan Nieuwenhuizen <[EMAIL PROTECTED]> | GNU LilyPond - The music typesetter
http://www.xs4all.nl/~jantien | http://www.lilypond.org
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