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Old 05-23-2012, 11:22 AM   #1
Registered: Sep 2011
Location: /dev/null
Distribution: ubuntu 64bits
Posts: 135

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Question how to fix inactive ... RAID 0


I have cat /proc/mdstat:

md122 : inactive sdm2[1] sdo2[3] sdn2[2]
122870016 blocks super 1.2

/dev/sdl3: LABEL="raid0ocz" UUID="d2a38127-0270-4d9f-b434-524e9e390b8d" TYPE="ext4"
/dev/sdm2: UUID="152fb8b4-9526-5477-57e0-dde891307b7b" UUID_SUB="326b2e62-6c84-7913-7dca-62543941670f" LABEL="raid0ocz" TYPE="linux_raid_member"
/dev/sdn2: UUID="152fb8b4-9526-5477-57e0-dde891307b7b" UUID_SUB="36dbf9b0-796d-9d94-5773-449916f2b65d" LABEL="raid0ocz" TYPE="linux_raid_member"
/dev/sdo2: UUID="152fb8b4-9526-5477-57e0-dde891307b7b" UUID_SUB="afa32a55-83d8-da9e-992e-4b4b05c52e65" LABEL="raid0ocz" TYPE="linux_raid_member"

How can I fix it ?

thank you,
kind regards,
Old 05-24-2012, 08:12 AM   #2
Registered: Aug 2004
Location: Europe
Posts: 602

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You can just run
mdadm -A /dev/md122
and it will become active again.

If you get this error on every boot, you probably need to edit your /etc/mdadm/mdadm.conf file, try appending output of
mdadm --examine --scan
to the end of your mdadm.conf
Old 05-26-2012, 04:31 AM   #3
Registered: Sep 2011
Location: /dev/null
Distribution: ubuntu 64bits
Posts: 135

Original Poster
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thank you for help.
Unfortunately I tried that before and It did not help - so I have to stop and create the new one bear in mind to lost all data of course.


error, raid

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