On Tue, Nov 14, 2006 at 12:11:02AM -0500, Matt McHenry wrote: > # echo "0 31457280 linear 8:11 31457664" | dmsetup -vvvv create > maingroup-dvd > device-mapper: reload ioctl failed: Invalid argument > Command failed Now look in your kernel message log for a slightly more detailed error message. And provide the output of 'pvs -o +dev_size' 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/