[ubuntu] One disk keeps going out of a RAID 1 array

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http://ubuntuforums.org – Hi guys, it's been quite a nightmare this weekend... I perform an upgrade from 11.04 to 12.04... the first reboot for 11.04 to 11.10 was OK, but the second, the serve won't start... because /dev/sdb partitions was removed from the raid... It's the second time it happen.. my host company say it's nothing, and I rebuilt the array... this time I spend a few hours between 3 & 7 am to restart my server correctly. there's still a f*cking bug that prevent you to type 'Y' to the question : would you like to boot a degraded array, I finally change the kernel option to allow booting d (Hardware)