Linux software raid 

Create raid level 10 out of 10 disks, /dev/md0:
-C create
-v verbose
-l10 raid level 10
-n10 10 members

View raid status:

Save current md status:

If you lost your raid array after reboot:

http://www.ducea.com/2009/03/08/mdadm-cheat-sheet/

https://raid.wiki.kernel.org/index.php/RAID_setup

http://iceteks.com/articles.php/linuxmdadmraid/2