external/gpl2/lvm2/dist/test/t-snapshots-of-mirrors.sh

   1 . ./test-utils.sh
   2
   3 prepare_vg 4
   4
   5 # Create snapshot of a mirror origin
   6 lvcreate -m 1 -L 10M -n lv $vg
   7 lvcreate -s $vg/lv -L 10M -n snap
   8
   9 # Down-convert (mirror -> linear) under a snapshot
  10 lvconvert -m0 $vg/lv
  11
  12 # Up-convert (linear -> mirror)
  13 lvconvert -m2 $vg/lv
  14
  15 # Down-convert (mirror -> mirror)
  16 lvconvert -m1 $vg/lv
  17
  18 # Up-convert (mirror -> mirror) -- Not supported!
  19 not lvconvert -m2 $vg/lv
  20
  21 # Log conversion (disk -> core)
  22 lvconvert --mirrorlog core $vg/lv
  23
  24 # Log conversion (core -> redundant) -- Not available yet!
  25 not lvconvert --mirrorlog redundant $vg/lv
  26
  27 # Log conversion (redundant -> core) -- Not available yet!
  28 # Note: Uncomment this command when the above works
  29 # not lvconvert --mirrorlog core $vg/lv
  30
  31 # Log conversion (core -> disk)
  32 lvconvert --mirrorlog disk $vg/lv
  33
  34 # Clean-up
  35 lvremove -ff $vg