> May 9 16:19:07 news kernel: md: invalid raid superblock magic on sdb1
Not surprising -- there is no SB ...
>> I suspect you should be using "mkraid /dev/md0" ...
> But if I did mkraid /dev/md0 wouldn't that destroy all the data on the array?
Not under 0.90 as fasr as I know -- as has been mentioned recently, mkraid is
like fdisk -- it manipulates data which is meant to be outwith the FS.
With no SB, it just informs the kernel that the raidset exists ...
> That's what the man page says..
What does it say ?