Dead hard drives... now what? [RAID 101](stackful.io)
stackful.io
Dead hard drives... now what? [RAID 101]
http://stackful.io/blog/raid-101-recovering-when-hard-drives-die/
1 comments
Note that you could install GRUB on all the drives in RAID when in a clean state, making them all bootable (avoiding the "non-bootable yet okay array member" issue).