[CentOS] Growing RAID5 on CentOS 4.6

[Stephen Harris]

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