Hello everyone!
I have a RAID 5 setup of five disks where one of them was set up as
spare. A while ago the onboard IDE controller stopped working so I had
to move all my harddrives to another machine. It wouldn't start so
Knoppix to my rescue.
I did some mdadm --examine, and some tests with mdadm --assemble
<different options> and where partly successfull with this: mdadm
--assemble /dev/md0 --force --update=summaries /dev/hda1 /dev/hdc1
/dev/hde1 /dev/hdf1 /dev/hdg1
It complained about one faulty drive, but could mount. I decided to flag
drive as faulty, remove and add it. It then started to rebuild the
entire RAID.
When I checked the next morning though, mdadm --examine showed that
/two/ drives now where set as spare, and thus I could not mount the
array anymore.
Examine now shows (edited):
Active Devices : 3
Working Devices : 5
Failed Devices : 0
Spare Devices : 2
0 0 3 1 0 active sync
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 33 1 3 active sync
4 4 33 65 4 active sync
5 5 34 1 5 spare
6 6 22 1 6 spare
I'm pretty sure that one of the spare ones is still intact, but how do I
change it from being a spare to an active sync?
Since I'm still running from Knoppix, please reply to my address too :/
regards
Johnny Ljunggren
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