The answers differ depending on which device-mapper you're using. e.g. kernel 2.4 dm supports multiple major numbers; 2.6 dm does not yet. At various times the parameter 'major' let you set the major number; unsure of the current status. Alasdair -- agk@redhat.com _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/