On Tue, Apr 28, 2015 at 05:54:57PM -0400, Mike Snitzer wrote: > Turns out that after running hch's script, with multipathd having setup > an mpath device ontop of tcm_loop, if I just do: > > tcm_loop --unload > > (tcm_loop appears to allow me to remove the devices out from underneath dm-multipath) That has nothing to do with tcm_loop. SCSI devices can get unregistered any time, and we use refcountin to ensure the structures stay in place forever. See my reply to Bart for what I suspect is the real issue. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel