Description of problem: It is currently allowed and thus causes havoc when attempting cmirror operations down the road.
[root@neo-04 ~]# lvs vg1/mirror LV VG Attr LSize Origin Snap% Move Log Copy% mirror vg1 mwi-a- 12.00M mirror_mlog 100.00 [root@neo-04 ~]# vgs vg1 VG #PV #LV #SN Attr VSize VFree vg1 5 5 0 wz--nc 28.50G 27.98G [root@neo-04 ~]# uname -a Linux neo-04.lab.msp.redhat.com 2.6.9-55.16.ELsmp #1 SMP Tue Jul 3 16:25:56 EDT 2007 i686 i686 i386 GNU/Linux [root@neo-04 ~]# rmmod dm-cmirror ERROR: Module dm_cmirror is in use
fix verified in cmirror-1.0.1-1/cmirror-kernel-2.6.9-33.2.
Assuming this VERIFIED fix got released. Closing. Reopen if it's not yet resolved.