Can someone explain me or point me to the right website that have some explanation about the information you got from running mdadm --examine.
What is major/minor? state information? etc
mdadm -examine /dev/sdb1
Quote:
/dev/sdb1:
Magic : a92b4efc
Version : 00.90.00
UUID : 9a108dd8:d8fd3620:df7c4ee0:aaa5350e
Creation Time : Tue Mar 24 19:30:08 2009
Raid Level : raid5
Device Size : 488383936 (465.76 GiB 500.11 GB)
Raid Devices : 5
Total Devices : 5
Preferred Minor : 0
Update Time : Mon Aug 10 09:50:50 2009
State : clean
Active Devices : 3
Working Devices : 4
Failed Devices : 3
Spare Devices : 1
Checksum : 5f428037 - correct
Events : 0.62953324
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 0 8 17 0 active sync /dev/sdb1
0 0 8 17 0 active sync /dev/sdb1
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 65 3 active sync /dev/sde1
4 4 8 81 4 active sync /dev/sdf1
5 5 8 33 2 spare /dev/sdc1
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