On Tue, 2004-03-16 at 18:00, Rich Turner wrote: > i am trying to mount / on a logical volume with reiserfs. my initrd > appears to be loading all of the appropriate modules (lvm-mod, dm-mod, > reiserfs) but i get the following error when the initrd exits and tries > to mount /. > > device-mapper: unknown block ioctl 0x5310 > sh-2021: reiserfs_read_super: can not find reiserfs on device mapper > (254,1) > > is this related to reiserfs or lvm? or my initrd? > using: > lvm-2.00.07 > reiserfs-3.6.9-37 > suse-9.0 > kernel-2.4.21-144-athlon > You likely are hitting a problem with the device numbering for DM devices. The kernel dynamically allocates major and minor numbers for the DM, so booting to a different kernel can renumber your DM devices. Have a look at the lvm2create_initrd script that's been posted on this list several times to see how I (and others) have handled this situation. It's also available here: http://poochiereds.net/svn/lvm2create_initrd -- Jeff _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/