tests/07revert-grow

   1 set -e -x
   2
   3 # revert a reshape that is increasing the number of devices,
   4 # raid5, raid6, and raid10
   5
   6 # RAID5
   7 mdadm -CR --assume-clean $md0 -l5 -n4 -x1 $devlist4
   8 check raid5
   9 testdev $md0 3 $mdsize1 512
  10 mdadm -G $md0 -n 5
  11 sleep 3
  12 mdadm -S $md0
  13 mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=/tmp/md-backup
  14 check wait
  15 check raid5
  16 testdev $md0 3 $mdsize1 512
  17 mdadm -S $md0
  18
  19 # RAID6
  20 mdadm -CR --assume-clean $md0 -l6 -n4 -x1 $devlist4
  21 check raid6
  22 testdev $md0 2 $mdsize1 512
  23 mdadm -G $md0 -n 5
  24 sleep 3
  25 mdadm -S $md0
  26 mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=/tmp/md-backup
  27 check wait
  28 check raid6
  29 testdev $md0 2 $mdsize1 512
  30 mdadm -S $md0
  31
  32 # RAID10
  33 mdadm -CR --assume-clean $md0 -l10 -n4 -x1 $devlist4
  34 check raid10
  35 testdev $md0 2 $mdsize1 512
  36 mdadm -G $md0 -n 5
  37 sleep 3
  38 mdadm -S $md0
  39 strace -o /tmp/str ./mdadm -A $md0 --update=revert-reshape $devlist4
  40 check wait
  41 check raid10
  42 testdev $md0 2 $mdsize1 512
  43 mdadm -S $md0