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[RAID] Fail event during reshape raid5 -> raid6

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http://ubuntuforums.org – I started reshaping a 3-device raid5 to a 4-device raid6. After some hours, I got a fail event on a harddrive which was already used in the raid5. There are two different raid-groups on these harddrives, a reshape of the second one has not yet started. What would you suggest? * stop the reshape, go back to raid5 and start rebuild to the new disk (how?) * just wait, hope and pray... ( there is no backup, I do not have harddrives to backup to as this is just to much...) Code: md0 : active raid6 sdc2[0] sde2[4](F) sdb2[3] sdd2[1]       2858420224 blocks super 0.9 (Hardware)