arjanv/2.5 device-mapper lvm2

[Bill Rugolsky Jr.]

On Wed, Dec 10, 2003 at 09:31:28AM +0000, Joe Orton wrote:
> 7.43, oops, yes ;) I will do, but it didn't look like that would help
> since the new:
> 
> # LVM2 initialization
> if [ -d /etc/lvm/ -a -x /sbin/lvm ]; then
> 
> stuff happens after the fsck /, and looks like it has to because it
> needs a writable root filesystem.
 
The following ought to work, if you are starting from a 2.4 LVM1 config:

1. mkdir /etc/lvm
2. touch /fastboot  # this eliminates the fsck
3. Reboot into kernel-2.4 with init=/bin/sh
4. mount -o remount,rw /
   # LVM2 won't overwrite non-symlinks left by LVM1
   # remove them.  (The list of VGs is available in /initrd/dev/.)
   rm -rf /dev/<vg1>/* /dev/<vg2>/* ...
   sync
   mount -o remount,ro /
5. Boot kernel-2.6

Regards,

	Bill Rugolsky