[linux-lvm] raid1 Failed to activate new LV

[MOLLE Thomas]

kernel: lvcreate: sending ioctl 1261 to a partition!
kernel: device-mapper: table: 252:8: raid: Unrecognised raid_type
kernel: device-mapper: ioctl: error adding target to table

I do not understand why the type is not recognized

>On Wed, Feb 27, 2013 at 05:45:02PM +0100, MOLLE Thomas wrote:
> # device-mapper: reload ioctl on failed: Invalid argument # Failed to 
> activate new LV.
> 
>Look in your kernel message log for a more detailed error message.
>
>Alasdair