RE: Please help with a special RAID 1 setup

Andy Cress wrote:

Note that RAID-1 will only ever have a maximum of 2 active disks.
When you add the 3rd disk, it is added to the array as a spare, that's
why it doesn't rebuild.

That surprises the hell out of me...

md1 : active raid1 hdk1[5] hdi1[4] hdg1[3] hde1[2] hdc1[1] hda1[0]
     439360 blocks [6/6] [UUUUUU]

(/boot and backup recovery tools.)