[linux-lvm] LVM2-Snapshot
Joe Thornber
thornber at redhat.com
Thu Mar 11 04:16:01 UTC 2004
On Wed, Mar 10, 2004 at 05:30:02PM +0100, Christoph Pleger wrote:
> Hello,
>
> I have problems when I try to create a snapshot of a logical volume
> under LVM2 (Kernel 2.6.3). I get the following messages after using
> "lvcreate -s -l 227 -n snap /dev/vg1/lv1":
>
> device_mapper ioctl cmd 9 failed: Invalid argument
> Couldn't load device 'vg1-snap'.
> Problem reactivating origin lv1
>
>
> How can I solve that?
>
> Using google, I found that snapshots under LVM2 and Kernel 2.6 generally
> do not work. I hope that that is no longer true, is it?
The snapshot target isn't in vanilla 2.6 yet, use my udm (unstable dm)
tree if you want that functionality.
http://people.sistina.com/~thornber/dm/
I _hope_ to submit this to lkml within the next month.
- Joe
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