On 12/7/06, martin f krafft <[EMAIL PROTECTED]> wrote:
also sprach Andrea Ganduglia <[EMAIL PROTECTED]> [2006.12.07.1249 +0400]:
> md0 : active raid1 sda1[0] sdb1[1]
> 29294400 blocks [5/2] [UU___]
I am led to believe that there must be some outdated information in
the superblocks. Can you please post the output of
mdadm -E /dev/sd[acde]1
, or even better: compare the output of [cde] to the output of [a]
and tell me any divergencies you see.
Martin: thanks for all you do! I agree that the problem is in superblocks
information. I lauched your command on all disk and I report below
divergencies. As you see /dev/sd{c,d,e,f}1 look all active devices on /dev/md0,
instead /dev/sd{a,b}1 look only two devices at same raid.
Summary:
/dev/sd{a,b}1 looks 2 working devices and 3 failed devices
/dev/sd{c,d,e}1 looks 5 working devices and 0 failed devices
/dev/sdf1 looks 5 working devices, 1 spare device (/dev/sdd) and 0
failed devices
How can I fix superblocks informations? Consider that /dev/md0 is mounted on
root partitions (/).
~# mdadm -E /dev/sda1 (same result for /dev/sdb1)
/dev/sda1:
Magic : a92b4efc
Version : 00.90.00
UUID : fc7dc246:3f029459:8ede4b05:519a9a8f
Creation Time : Mon Sep 18 15:42:25 2006
Raid Level : raid1
Raid Devices : 5
Total Devices : 2
Preferred Minor : 0
Update Time : Thu Dec 7 11:15:25 2006
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 3
Spare Devices : 0
Checksum : 51812ec0 - correct
Events : 0.756669
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 17 1 active sync /dev/sdb1
2 2 0 0 2 faulty removed
3 3 0 0 3 faulty removed
4 4 0 0 4 faulty removed
:~# mdadm -E /dev/sdc1 (same result for sdd1 and sde1)
/dev/sdc1:
Magic : a92b4efc
Version : 00.90.00
UUID : fc7dc246:3f029459:8ede4b05:519a9a8f
Creation Time : Mon Sep 18 15:42:25 2006
Raid Level : raid1
Raid Devices : 5
Total Devices : 5
Preferred Minor : 0
Update Time : Tue Dec 5 12:38:11 2006
State : clean
Active Devices : 5
Working Devices : 5
Failed Devices : 0
Spare Devices : 0
Checksum : 517e38ba - correct
Events : 0.743457
Number Major Minor RaidDevice State
this 2 8 33 2 active sync /dev/sdc1
0 0 8 1 0 active sync /dev/sda1
1 1 8 17 1 active sync /dev/sdb1
2 2 8 33 2 active sync /dev/sdc1
3 3 8 65 3 active sync /dev/sde1
4 4 8 49 4 active sync /dev/sdd1
~# mdadm -E /dev/sdf1 (NOTE: It looks /dev/sdd as sparedisk, It's
congruent with my installation).
/dev/sdf1:
Magic : a92b4efc
Version : 00.90.00
UUID : fc7dc246:3f029459:8ede4b05:519a9a8f
Creation Time : Mon Sep 18 15:42:25 2006
Raid Level : raid1
Raid Devices : 5
Total Devices : 6
Preferred Minor : 0
Update Time : Mon Dec 4 15:37:57 2006
State : clean
Active Devices : 5
Working Devices : 6
Failed Devices : 0
Spare Devices : 1
Checksum : 517cd246 - correct
Events : 0.735306
Number Major Minor RaidDevice State
this 3 8 81 3 active sync /dev/sdf1
0 0 8 1 0 active sync /dev/sda1
1 1 8 17 1 active sync /dev/sdb1
2 2 8 33 2 active sync /dev/sdc1
3 3 8 81 3 active sync /dev/sdf1
4 4 8 65 4 active sync /dev/sde1
5 5 8 49 5 spare /dev/sdd1
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