[CentOS-docs] Install On Partitionable RAID1

Phil Schaffner ha scritto:
> 2. The command to create /etc/mdadm.conf will result in an extra line 
> "spares=1" while the array is still syncing.  Adding " | head -1 " to 
> the command to create it fixes the problem.
May I suggest to add " | grep -v spares " or " | grep ARRAY " instead? If the
command is issued after the sync the resulting mdadm.conf would be incorrect.

Regards
Lorenzo