Carlos Williams <carloswill@xxxxxxxxx> writes:
> I am building a Linux system which has 4 identical 'fd' partitions on
> each of the 4 drives. I don't want to use the 4th partition or disk if
> you would like to call it as a 'hot spare'. I would like to span the
> entire array over the 4 drives. My question is does my command look
> correct for doing so?
>
> mdadm --create /dev/md0 --level=5 --raid-devices=4 /dev/sda2 /dev/sdb2
> /dev/sdc2 /dev/sdd2
>
> I shouldn't have to specify any additional flags in the 'mdadm'
> command to make sure it uses all 4 drives as the RAID5 array, right?
No, it will use 4 drives as specified. Linux mdadm doesn't get ideas on
its own. It does what you tell it to do. :)
MfG
Goswin
PS: sda2 is usualy not the 4th partition on a drive
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