> Ok, maybe stupid questions time.
>
> /dev/hdj1 does exist, right?
yes
> Is this the same drive that was once part of the array?
It is existing. But possible it may have legitamatly failed. Here is a log
generated today when I
tried to add it back into the array.
Sep 2 09:11:02 [kernel] end_request: I/O error, dev hdj, sector 586099263
Sep 2 09:11:02 [kernel] Buffer I/O error on device hdj1, logical block
146524800
...
Sep 2 09:11:02 [kernel] lost page write due to I/O error on hdj1
Sep 2 09:11:02 [kernel] end_request: I/O error, dev hdj, sector 586099263
Sep 2 09:11:02 [kernel] md: disabled device hdj1, could not read superblock.
Sep 2 09:11:02 [kernel] md: hdj1 has invalid sb, not importing!
Sep 2 09:11:02 [kernel] md: md_import_device returned -22
> If the same drive, does it work if you do "mdadm --zero-superblock
> /dev/hdj1" first?
~ # mdadm --zero-superblock /dev/hdj1
mdadm: Unrecognised md component device - /dev/hdj1
> What does "mdadm --examine /dev/hdj1" report? How about for /dev/hdg1?
~ # mdadm --zero-superblock /dev/hdj1
mdadm: Unrecognised md component device - /dev/hdj1
~ # mdadm --examine /dev/hdj1
mdadm: No md superblock detected on /dev/hdj1.
db_server01 ~ # mdadm --examine /dev/hdg1
/dev/hdg1:
Magic : a92b4efc
Version : 00.90.03
UUID : d77079f9:c084dedf:ba141e09:96726a79
Creation Time : Tue May 30 19:48:40 2006
Raid Level : raid1
Device Size : 293049600 (279.47 GiB 300.08 GB)
Array Size : 293049600 (279.47 GiB 300.08 GB)
Raid Devices : 2
Total Devices : 1
Preferred Minor : 4
Update Time : Fri Sep 1 20:52:33 2006
State : clean
Active Devices : 1
Working Devices : 1
Failed Devices : 0
Spare Devices : 0
Checksum : 2cbf93d9 - correct
Events : 0.1402072
Number Major Minor RaidDevice State
this 1 34 1 1 active sync /dev/hdg1
0 0 0 0 0 removed
1 1 34 1 1 active sync /dev/hdg1
Does all of this suggest a complete and total drive failure? :-) I orginally
built this md4 array
as a Raid 5 from three of the cheepest drives that I could find (Maxtors).
Then a couple of
months later, one drive died. So I converted the remaining to into a raid 1.
Now this one seems
to have died. I guess I am learning my leason about buying cheep hardware.
Fortunately I have a
back-up of everything on this array.
Regards,
Richard Broersma Jr.
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