On Fri, Aug 22, 2008 at 08:26:01PM +0300, Jussi Hirvi wrote: > > So then I tried the next step: > > mdadm --grow --raid-devices=5 /dev/md3 > > But now I have problems... > > mdadm: Cannot set device size/shape for /dev/md3: Invalid argument > > What happens, if you add > --size=max % mdadm --grow --raid-devices=5 --size=max /dev/md3 mdadm: can change at most one of size, raiddisks, and layout "--size=max" is for use when a failed disk is replaced with a bigger one. Good thought, though. -- rgds Stephen