Dariush Debian Diary
Diariusz Dariusza
, 13, 2008
Create Degraded Raid1
Sep 5 2007
gnoll2:~# mdadm --create /dev/md1 --level 1 --raid-devices=2 missing /dev/hdh5
mdadm: array /dev/md1 started.
gnoll2:~# cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md1 : active raid1 hdh5[1]
77152064 blocks [2/1] [_U]
unused devices: <none>
gnoll2:/fs/tmp# mdadm --add /dev/md1 /dev/hde5
mdadm: added /dev/hde5
gnoll2:/fs/tmp# cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md1 : active raid1 hde5[2] hdh5[1]
77152064 blocks [2/1] [_U]
[>....................] recovery = 0.0% (18560/77152064) finish=414.6min speed=3093K/sec
unused devices: <none>
gnoll2:/fs/tmp#
pokurcz:/home/eyck# mdadm --create /dev/md1 -a yes --level 1 --raid-devices=2 missing /dev/sdb5
mdadm: array /dev/md1 started.
pokurcz:/home/eyck# cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md1 : active raid1 sdb5[1]
50002176 blocks [2/1] [_U]
unused devices: <none>
pokurcz:/home/eyck#
pokurcz:/home/eyck# mdadm --add /dev/md1 /dev/sda5
mdadm: added /dev/sda5
pokurcz:/home/eyck# cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md1 : active raid1 sda5[2] sdb5[1]
50002176 blocks [2/1] [_U]
[>....................] recovery = 0.2% (139392/50002176) finish=11.9min speed=69696K/sec
unused devices: <none>
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