[thirdparty/mdadm.git] / tests / 02r6grow


set -e

# create a small raid6 array, make it larger.  Then make it smaller

$mdadm -CR $md0 --level raid6 --chunk=32 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4 
$check wait
$check state UUUU
sh tests/testdev $md0 2 $[size/2] 32

$mdadm --grow $md0 --size max
$check resync
$check wait
sh tests/testdev $md0 2 $mdsize0 64

$mdadm --grow $md0 --size $[size/2]
$check nosync
sh tests/testdev $md0 2 $[size/2] 64

$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
sh tests/testdev $md0 2 $[size/2] 128

$mdadm --grow $md0 --size max
$check resync
$check wait
sh tests/testdev $md0 2 $[size-1] 128

$mdadm --grow $md0 --size $[size/2]
$check nosync
sh tests/testdev $md0 2 $[size/2] 128

$mdadm -S $md0
Commit	Line	Data
5e7519fa NB	1
	2	set -e
	3
	4	# create a small raid6 array, make it larger. Then make it smaller
	5
	6	$mdadm -CR $md0 --level raid6 --chunk=32 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4
	7	$check wait
	8	$check state UUUU
	9	sh tests/testdev $md0 2 $[size/2] 32
	10
	11	$mdadm --grow $md0 --size max
	12	$check resync
	13	$check wait
	14	sh tests/testdev $md0 2 $mdsize0 64
	15
	16	$mdadm --grow $md0 --size $[size/2]
	17	$check nosync
	18	sh tests/testdev $md0 2 $[size/2] 64
	19
	20	$mdadm -S $md0
	21
	22	# same again with version 1.1 superblock
	23	$mdadm -CR $md0 --level raid6 --metadata=1.1 --chunk=128 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4
	24	$check wait
	25	$check state UUUU
	26	sh tests/testdev $md0 2 $[size/2] 128
	27
	28	$mdadm --grow $md0 --size max
	29	$check resync
	30	$check wait
	31	sh tests/testdev $md0 2 $[size-1] 128
	32
	33	$mdadm --grow $md0 --size $[size/2]
	34	$check nosync
	35	sh tests/testdev $md0 2 $[size/2] 128
	36
	37	$mdadm -S $md0