On 03/03/2010 11:43 AM, J4 wrote: > # vgchange -a y mds ... > # ls /dev/mapper | grep mds > brw------- 1 root root 253, 11 Mar 3 11:17 /dev/mapper/mds-mds So the only LV name "mds" there is properly activated. LVM will not activate partitions on the LV automatically, but you can use "kpartx" utility to do that (see man kpartx). Try "kpartx -a /dev/mds/mds" (before deactivating LV you will need run kpartx -d to remove these partition mappings again.) Milan _______________________________________________ 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/