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Re: [linux-lvm] LILO (with Saout's patch) + /boot on LVM2 over SoftwareRAID1



Hi,

Can LILO with Saout's device mapper patch boot from an LVM2 /boot over software RAID1 ?

I get the following error when runing lilo:
Fatal: Sorry, don't know how to handle device 0xfe01

Does this mean that LILO can only boot from a RAID1 *OR* device-mapper device, not both? (LVM2 on top of RAID1)


It seems to me that I have some real problem:
I've undone my LVM2 over RAID1 setup and prepared a new one. I've setup some LVM2 volumes directly over a /dev/hdc physical volume instead of a /dev/md0 containing /dev/hda1 and hdc1.


Before:
/dev/hda1 (failed-disk)-->
/dev/hdc1 (raid-disk)  -->dev/md0 --> /dev/system/    root    swap    var

After:
/dev/hdc --> /dev/system   root  swap  var

I ran LILO version 22.5.8 (Debian GNU/Linux) with the patches from Cristopher Saout:
backup:/mnt/root# lilo -X


CFLAGS = -O2 -Wall -g -DLILO=0x16c2d41b -DLCF_BDATA -DLCF_DSECS=3 -DLCF_EVMS -DLCF_IGNORECASE -DLCF_LVM -DLCF_ONE_SHOT -DLCF_PASS160 -DLCF_REISERFS -DLCF_REWRITE_TABLE -DLCF_SOLO_CHAIN -DLCF_VERSION -DLCF_VIRTUAL -DLCF_DEVMAPPER -DLCF_AUTOAUTO -Idebian/kernel-headers

and it gave me the same error!!!!

backup:/mnt/root# lilo -t -C etc/lilo.conf.lvmtest -r .
Fatal: Sorry, don't know how to handle device 0xfe01

If I run lilo from hda2 (no LVM) I get a successful instalation:
backup:/mnt/root# lilo -t -C etc/lilo.conf.lvmtest -r /
Warning: '/proc/partitions' does not match '/dev' directory structure.
   Name change: '/dev/dm-0' -> '/dev/mapper/system-swap'
Warning: The boot sector and map file are on different disks.
Added ramdisk_LVM *
The boot sector and the map file have *NOT* been altered.

Just to be sure I downloaded lilo 22.5.8 tarball and the patch from http://www.saout.de/misc/lilo-22.5.8-devmapper.patch, and compiled it myself. Again the same error. I have devmapper compiled in my 2.6 kernel. I have libdevmapper installed on my system. I have lilo patched to understand devmapper. What am I doing wrong here? Do you have any clues?

This is my lilo.conf on both roots:

default="ramdisk_LVM"
image=/boot/vmlinuz-2.6.3-4
label="ramdisk_LVM"
initrd=/boot/initrd-lvm2-2.6.3-4.gz
append="root=/dev/ram0 lvm2root=/dev/system/root video=aty128fb:1024x768-24 76"
read-only


Thanks

Miguel



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