How many drives actually failed?
Failed Devices : 1
On Tue, 19 Feb 2008, Norman Elton wrote:
So I had my first "failure" today, when I got a report that one drive
(/dev/sdam) failed. I've attached the output of "mdadm --detail". It
appears that two drives are listed as "removed", but the array is
still functioning. What does this mean? How many drives actually
failed?
This is all a test system, so I can dink around as much as necessary.
Thanks for any advice!
Norman Elton
====== OUTPUT OF MDADM =====
Version : 00.90.03
Creation Time : Fri Jan 18 13:17:33 2008
Raid Level : raid5
Array Size : 6837319552 (6520.58 GiB 7001.42 GB)
Device Size : 976759936 (931.51 GiB 1000.20 GB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 4
Persistence : Superblock is persistent
Update Time : Mon Feb 18 11:49:13 2008
State : clean, degraded
Active Devices : 6
Working Devices : 6
Failed Devices : 1
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 64K
UUID : b16bdcaf:a20192fb:39c74cb8:e5e60b20
Events : 0.110
Number Major Minor RaidDevice State
0 66 1 0 active sync /dev/sdag1
1 66 17 1 active sync /dev/sdah1
2 66 33 2 active sync /dev/sdai1
3 66 49 3 active sync /dev/sdaj1
4 66 65 4 active sync /dev/sdak1
5 0 0 5 removed
6 0 0 6 removed
7 66 113 7 active sync /dev/sdan1
8 66 97 - faulty spare /dev/sdam1
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