Warning! From default installation of XenServer 6.5 modules of raid, nfs and etc in kernel disabled. "Thanks for developers." In this variation: XenServer 6.5 withoud patches and service packs, kernel 3.10.0+2, 2 disks WD 2 TB
- Make module file (change raidX for you raid level):
# echo "modprobe raid1" > /etc/sysconfig/modules/raid.modules