rendered paste bodyroot@ubuntu:~# mdadm --examine /dev/sdc1
/dev/sdc1:
Magic : a92b4efc
Version : 00.90.00
UUID : fd84f8bc:65323cbc:e368bf24:bd0fce41 (local to host ubuntu)
Creation Time : Tue Jan 22 09:33:52 2008
Raid Level : raid5
Used Dev Size : 19542976 (18.64 GiB 20.01 GB)
Array Size : 58628928 (55.91 GiB 60.04 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Sat Feb 16 20:19:09 2008
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Checksum : 3cd2c501 - correct
Events : 0.46
Layout : left-symmetric
Chunk Size : 32K
Number Major Minor RaidDevice State
this 1 8 33 1 active sync /dev/sdc1
0 0 8 1 0 active sync /dev/sda1
1 1 8 33 1 active sync /dev/sdc1
2 2 8 17 2 active sync /dev/sdb1
3 3 8 49 3 active sync /dev/sdd1
root@ubuntu:~# mdadm --examine /dev/sdd1
/dev/sdd1:
Magic : a92b4efc
Version : 00.90.00
UUID : fd84f8bc:65323cbc:e368bf24:bd0fce41 (local to host ubuntu)
Creation Time : Tue Jan 22 09:33:52 2008
Raid Level : raid5
Used Dev Size : 19542976 (18.64 GiB 20.01 GB)
Array Size : 58628928 (55.91 GiB 60.04 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Sat Feb 16 20:23:19 2008
State : clean
Active Devices : 1
Working Devices : 1
Failed Devices : 2
Spare Devices : 0
Checksum : 3cd2c650 - correct
Events : 0.60
Layout : left-symmetric
Chunk Size : 32K
Number Major Minor RaidDevice State
this 3 8 49 3 active sync /dev/sdd1
0 0 0 0 0 removed
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 49 3 active sync /dev/sdd1
root@ubuntu:~# mdadm --examine /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1
/dev/sda1:
Magic : a92b4efc
Version : 00.90.00
UUID : fd84f8bc:65323cbc:e368bf24:bd0fce41 (local to host ubuntu)
Creation Time : Tue Jan 22 09:33:52 2008
Raid Level : raid5
Used Dev Size : 19542976 (18.64 GiB 20.01 GB)
Array Size : 58628928 (55.91 GiB 60.04 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Sat Feb 16 20:19:09 2008
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Checksum : 3cd2c4df - correct
Events : 0.46
Layout : left-symmetric
Chunk Size : 32K
Number Major Minor RaidDevice State
this 0 8 1 0 active sync /dev/sda1
0 0 8 1 0 active sync /dev/sda1
1 1 8 33 1 active sync /dev/sdc1
2 2 8 17 2 active sync /dev/sdb1
3 3 8 49 3 active sync /dev/sdd1
/dev/sdb1:
Magic : a92b4efc
Version : 00.90.00
UUID : fd84f8bc:65323cbc:e368bf24:bd0fce41 (local to host ubuntu)
Creation Time : Tue Jan 22 09:33:52 2008
Raid Level : raid5
Used Dev Size : 19542976 (18.64 GiB 20.01 GB)
Array Size : 58628928 (55.91 GiB 60.04 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Sat Feb 16 20:19:09 2008
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Checksum : 3cd2c4f3 - correct
Events : 0.46
Layout : left-symmetric
Chunk Size : 32K
Number Major Minor RaidDevice State
this 2 8 17 2 active sync /dev/sdb1
0 0 8 1 0 active sync /dev/sda1
1 1 8 33 1 active sync /dev/sdc1
2 2 8 17 2 active sync /dev/sdb1
3 3 8 49 3 active sync /dev/sdd1
/dev/sdc1:
Magic : a92b4efc
Version : 00.90.00
UUID : fd84f8bc:65323cbc:e368bf24:bd0fce41 (local to host ubuntu)
Creation Time : Tue Jan 22 09:33:52 2008
Raid Level : raid5
Used Dev Size : 19542976 (18.64 GiB 20.01 GB)
Array Size : 58628928 (55.91 GiB 60.04 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Sat Feb 16 20:19:09 2008
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Checksum : 3cd2c501 - correct
Events : 0.46
Layout : left-symmetric
Chunk Size : 32K
Number Major Minor RaidDevice State
this 1 8 33 1 active sync /dev/sdc1
0 0 8 1 0 active sync /dev/sda1
1 1 8 33 1 active sync /dev/sdc1
2 2 8 17 2 active sync /dev/sdb1
3 3 8 49 3 active sync /dev/sdd1
/dev/sdd1:
Magic : a92b4efc
Version : 00.90.00
UUID : fd84f8bc:65323cbc:e368bf24:bd0fce41 (local to host ubuntu)
Creation Time : Tue Jan 22 09:33:52 2008
Raid Level : raid5
Used Dev Size : 19542976 (18.64 GiB 20.01 GB)
Array Size : 58628928 (55.91 GiB 60.04 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Sat Feb 16 20:23:19 2008
State : clean
Active Devices : 1
Working Devices : 1
Failed Devices : 2
Spare Devices : 0
Checksum : 3cd2c650 - correct
Events : 0.60
Layout : left-symmetric
Chunk Size : 32K
Number Major Minor RaidDevice State
this 3 8 49 3 active sync /dev/sdd1
0 0 0 0 0 removed
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 49 3 active sync /dev/sdd1
root@ubuntu:~#