Get it right or you will lose data, take a backup, I let the raid sync anyway, probably didn't need to but things get confusing here, this was my initial screen, I thought it looked funny as sdb was the disk added.
+
'''Get it right or you will lose data''', take a backup, I let the raid sync anyway, probably didn't need to but things get confusing here, this was my initial screen, I thought it looked funny as sdb was the disk added.
+
+
'''A BIG NOTE:''' I'm using sdb which was right for me, it might not be for you (if it's RAID 1, there is a 50% chance it's not !)