On Wed, Jun 13, 2007 at 03:47:15PM -0400, Vassar, Bob wrote: > I didn't partition the dm device. I used fdisk to create the sda[1] > partition on the lun. The dm device is then created on sda[1]. I then > simply mkfs on the dm partition. If the lun appears as sda, then multipath will present it to you as a dm multipath device. Never run anything on /dev/sda - always use the /dev/mpath one instead. Then you should do the pvcreate against the /dev/mpath device etc. Alasdair -- agk@xxxxxxxxxx -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel