Re: Error mounting LVM volume as root

[Stefan Monnier <monnier@iro.umontreal.ca>]

> I am attempting to mount an LVM Logical Volume as root, but I am getting an
> error in the boot sequence when it attempts to mount the root filesystem. 
> The error is saying that it can not find /dev/block/254:15, which is the LV
> that I am trying to mount. Then it falls into a shell.
>
> When I run 'ls /dev/block' it shows /dev/block/254:0, which is the swap
> volume (in the same LVM Volume Group as /dev/block/254:15), but does not
> show any of the other LVs.  If it can recognize the LVM swap volume, why
> does it not see the other LVs in the group?

Any chance you're inside the initramfs while this problem shows up?
I'd assume it's because the initramfs has only activated the swap and
root partitions (root for the obvious reason and swap to check for
a hibernation image).

Try `vgchange -ay` to activate the other volumes.


        Stefan