On Fri, Oct 31, 2008 at 12:18:01PM +1100, Paul Riddle wrote: > [root@scrac2 ( mailto:[root@scrac2 ) dev]# dmsetup -v remove -f mpath8 > device-mapper: remove ioctl failed: Device or resource busy > Command failed So something still has that device open: you need to hunt down what it is. dmsetup info -c lsof mount etc. Alasdair -- agk@xxxxxxxxxx -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel