# mdadm -C /dev/md0 -l5 -n3 -f /dev/sdb1 /dev/sdc1 /dev/sdd1
mdadm: array /dev/md0 started.
# mdadm -D /dev/md0
/dev/md0:
Version : 0.90
Creation Time : Tue May 18 22:21:27 2010
Raid Level : raid5
Array Size : 1953524864 (1863.03 GiB 2000.41 GB)
Used Dev Size : 976762432 (931.51 GiB 1000.20 GB)
Raid Devices : 3
Total Devices : 3
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Tue May 18 22:21:27 2010
State : clean, resyncing
Active Devices : 3
Working Devices : 3
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 64K
Rebuild Status : 1% complete
UUID : 04129d22:90196aa6:f47ebf50:9603f10c
Events : 0.1
Number Major Minor RaidDevice State
0 8 17 0 active sync /dev/sdb1
1 8 33 1 active sync /dev/sdc1
2 8 49 2 active sync /dev/sdd1
