  LV                          VG             Attr       LSize  Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert LV Tags Devices                      KRahead Rahead #Str Stripe
  cinder-volumes-pool         cinder-volumes twi-a-tz-- 19.00g             0.00   10.55                                    cinder-volumes-pool_tdata(0)      0    auto    1     0 
  [cinder-volumes-pool_tdata] cinder-volumes Twi-ao---- 19.00g                                                             /dev/loop0(5)                  4.00m   auto    1     0 
  [cinder-volumes-pool_tmeta] cinder-volumes ewi-ao---- 20.00m                                                             /dev/loop0(4869)               4.00m   auto    1     0 
  [lvol0_pmspare]             cinder-volumes ewi------- 20.00m                                                             /dev/loop0(0)                     -1   auto    1     0 
