On Fri, Oct 31, 2008 at 12:18:01PM +1100, Paul Riddle wrote: > [root at scrac2 ( mailto:[root at 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 at redhat.com