That makes more sense (but sometimes non or semi technical bosses can make these types of mistakes :)). You can't reconfigure TO or FROM a nested RAID level (10,50,60) on PERC controllers (including adding drives).  You can reconfigure a RAID 1 to a RAID 5 or 6 though.
I have a PowerEdge 2900 with a PERC 6/i RAID controller with three physical disks attached.  Currently have OpenManage 6.2.0 installed on Windows Server 2003 R2.  Disk 0 and 1 are configured as a RAID 1 array with disk 2 as a hot standby.  I considering re-configuring the hot standby so that I have a three disk RAID 5 arrary. Can I do this in a way such that I don't have to rebuild the array and put all of the data back onto the server?
Adding Hot space to existing capacity