Comment 0 for bug 458529

Created an attachment (id=30519)
output of ls -lR /sys

I have a LVM setup, with one LV in mirrored mode (RAID1) spread over 2 PVs. For such a setup, 3 more DM devices are generated: VG-LV_mimage_0, VG-LV_mimage_1 und VG-LV_mlog. These devices do *not* respresent real LVs, and shouldn't be included in dk-disks.

$ sudo lvs
  LV VG Attr LSize Origin Snap% Move Log
  home ubuntu mwi-ao 465.76G home_mlog
  root ubuntu -wi-ao 10.00G
  swap ubuntu -wi-ao 4.00G

$ sudo lvs -a
  LV VG Attr LSize Origin Snap% Move Log
  home ubuntu mwi-ao 465.76G home_mlog
  [home_mimage_0] ubuntu iwi-ao 465.76G
  [home_mimage_1] ubuntu iwi-ao 465.76G
  [home_mlog] ubuntu lwi-ao 4.00M
  root ubuntu -wi-ao 10.00G
  swap ubuntu -wi-ao 4.00G

To reproduce, create an LVM setup with at least 2 PVs, and change a LV to mirrored mode with "sudo lvconvert -m 1 VG/LV".