Neil Brown wrote:
Converting a raid5 to a raid6 with 2 extra drives (thus having more
space as well as more redundancy)
Yeah! That's me :D
is a possibility as the extra space
can be effectively used to keep to old copy of a stripe safe while
writing the new copy.
This sort of conversion is planned, but will take somewhat longer.
Great!
I'm not in a hurry (though perhaps I should be :|).
Max.