| |
| |
| # create a small raid6 array, make it larger. Then make it smaller |
| |
| mdadm -CR $md0 -e 0.90 --level raid6 --chunk=64 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4 |
| check wait |
| check state UUUU |
| testdev $md0 2 $[size/2] 32 |
| |
| mdadm --grow $md0 --size max |
| check resync |
| check wait |
| testdev $md0 2 $mdsize0 32 |
| |
| mdadm --grow $md0 --size $[size/2] |
| check nosync |
| testdev $md0 2 $[size/2] 32 |
| |
| mdadm -S $md0 |
| |
| # same again with version 1.1 superblock |
| mdadm -CR $md0 --level raid6 --metadata=1.1 --chunk=128 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4 |
| check wait |
| check state UUUU |
| testdev $md0 2 $[size/2] 128 |
| |
| mdadm --grow $md0 --size max |
| check resync |
| check wait |
| testdev $md0 2 $[mdsize1_l] 128 |
| |
| mdadm --grow $md0 --size $[size/2] |
| check nosync |
| testdev $md0 2 $[size/2] 128 |
| |
| mdadm -S $md0 |
