# mdadm /dev/md2 --grow --size=max --raid-devices=4 mdadm: cannot change component size at the same time as other changes. Change size first, then check data is intact before making other changes.
Linux 2.6.34 x86_64 mdadm - v3.1.2 - 10th March 2010
Is it possible to do what I'm trying to do? If so, what do I need to do?