Hi,
I had to do this a while ago, basically you have to mark the disk as
failed (if not already) and than remove it from the array
mark as failed > mdadm --fail /dev/md0 /dev/sdaX
remove from array > madmad --remove /dev/md0 /dev/sdaX
Partition your new disk to your needs and then add it to the array
using mdadm again
mdadm --add /dev/md0 /dev/sdbX
to check the status of the array
mdadm --detail /dev/md0
Hope this gives you a starting point.
On Tue, Apr 1, 2014 at 10:21 AM, Roland RoLaNd <r_o_l_a_n_d@xxxxxxxxxxx> wrote:
> Dear all,
> I'm not used to handling software raid.
> I've inherited a server which has raid 10 set.
> one of our disks failed, and it's to be replaced today.
> My question is; any hint how to add this new disk to the existing raid array ?
> first thought is :- Create identical partitions as other disks in the array i'd like to add it to.- add it to raid.
> Though i'm extremely worried of messing things up and wiping all my data.
> Any hint would be appreciated
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