RAID Info:
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
md0 : active raid5 sda3[0] sdc3[2] sdb3[1]
5855836800 blocks level 5, 64k chunk, algorithm 2 [4/3] [UUU_]
md4 : active raid1 sdc2[2](S) sdb2[1] sda2[0]
530048 blocks [2/2] [UU]
md13 : active raid1 sdc4[2] sdb4[1] sda4[0]
458880 blocks [4/3] [UUU_]
bitmap: 48/57 pages [192KB], 4KB chunk
md9 : active raid1 sda1[0] sdd1[3] sdc1[2] sdb1[1]
530048 blocks [4/4] [UUUU]
bitmap: 4/65 pages [16KB], 4KB chunk
unused devices: <none>
RAID SuperBlock Info:
#============================== [ HDD1 ]
/dev/sda3:
Magic : a92b4efc
Version : 00.90.00
UUID : dc9d3bf1:c4db9e05:3f53a7f6:7d50ccff
Creation Time : Thu May 8 19:38:52 2014
Raid Level : raid5
Used Dev Size : 1951945600 (1861.52 GiB 1998.79 GB)
Array Size : 5855836800 (5584.56 GiB 5996.38 GB)
Raid Devices : 4
Total Devices : 3
Preferred Minor : 0
Update Time : Fri May 16 10:36:13 2014
State : clean
Active Devices : 3
Working Devices : 3
Failed Devices : 1
Spare Devices : 0
Checksum : 22873835 - correct
Events : 0.121684
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 0 8 3 0 active sync /dev/sda3
0 0 8 3 0 active sync /dev/sda3
1 1 8 19 1 active sync /dev/sdb3
2 2 8 35 2 active sync /dev/sdc3
3 3 0 0 3 faulty removed
#============================== [ HDD2 ]
/dev/sdb3:
Magic : a92b4efc
Version : 00.90.00
UUID : dc9d3bf1:c4db9e05:3f53a7f6:7d50ccff
Creation Time : Thu May 8 19:38:52 2014
Raid Level : raid5
Used Dev Size : 1951945600 (1861.52 GiB 1998.79 GB)
Array Size : 5855836800 (5584.56 GiB 5996.38 GB)
Raid Devices : 4
Total Devices : 3
Preferred Minor : 0
Update Time : Fri May 16 10:36:13 2014
State : clean
Active Devices : 3
Working Devices : 3
Failed Devices : 1
Spare Devices : 0
Checksum : 22873847 - correct
Events : 0.121684
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 1 8 19 1 active sync /dev/sdb3
0 0 8 3 0 active sync /dev/sda3
1 1 8 19 1 active sync /dev/sdb3
2 2 8 35 2 active sync /dev/sdc3
3 3 0 0 3 faulty removed
#============================== [ HDD3 ]
/dev/sdc3:
Magic : a92b4efc
Version : 00.90.00
UUID : dc9d3bf1:c4db9e05:3f53a7f6:7d50ccff
Creation Time : Thu May 8 19:38:52 2014
Raid Level : raid5
Used Dev Size : 1951945600 (1861.52 GiB 1998.79 GB)
Array Size : 5855836800 (5584.56 GiB 5996.38 GB)
Raid Devices : 4
Total Devices : 3
Preferred Minor : 0
Update Time : Fri May 16 10:36:14 2014
State : active
Active Devices : 3
Working Devices : 3
Failed Devices : 1
Spare Devices : 0
Checksum : 22855d06 - correct
Events : 0.121685
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 2 8 35 2 active sync /dev/sdc3
0 0 8 3 0 active sync /dev/sda3
1 1 8 19 1 active sync /dev/sdb3
2 2 8 35 2 active sync /dev/sdc3
3 3 0 0 3 faulty removed
#============================== [ HDD4 ]
mdadm: cannot open /dev/sdd3: No such device or address