kuskus:~# cat /proc/mdstat
Personalities : [raid1] [raid6] [raid5] [raid4]
md1 : active raid5 sda2[0] sdc2[2] sdb2[1]
761882496 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]
md0 : active raid1 sda1[0] sdb1[1]
9767424 blocks [2/2] [UU]
unused devices: <none>
kuskus:~#
kuskus:~# mdadm --detail /dev/md0
/dev/md0:
Version : 00.90.03
Creation Time : Mon Apr 16 16:33:12 2007
Raid Level : raid1
Array Size : 9767424 (9.31 GiB 10.00 GB)
Device Size : 9767424 (9.31 GiB 10.00 GB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Tue Feb 17 18:56:06 2009
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
UUID : b50408d5:baab6a72:57c58f74:5e213f34
Events : 0.2313032
Number Major Minor RaidDevice State
0 8 1 0 active sync /dev/sda1
1 8 17 1 active sync /dev/sdb1
kuskus:~#
kuskus:~# mdadm --detail /dev/md1
/dev/md1:
Version : 00.90.03
Creation Time : Mon Apr 16 16:33:28 2007
Raid Level : raid5
Array Size : 761882496 (726.59 GiB 780.17 GB)
Device Size : 380941248 (363.29 GiB 390.08 GB)
Raid Devices : 3
Total Devices : 3
Preferred Minor : 1
Persistence : Superblock is persistent
Update Time : Tue Feb 17 18:56:14 2009
State : clean
Active Devices : 3
Working Devices : 3
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 64K
UUID : 45b5dfab:d467a3dd:460ab8f2:95aedd20
Events : 0.5027100
Number Major Minor RaidDevice State
0 8 2 0 active sync /dev/sda2
1 8 18 1 active sync /dev/sdb2
2 8 34 2 active sync /dev/sdc2
kuskus:~#
— Gerald P. 2009/02/17 18:55