If you use OL6.3:
# mv /usr/bin/nslookup /usr/bin/nslookup.orig
# echo '#!/bin/bash
/usr/bin/nslookup.orig $*
exit 0' > /usr/bin/nslookup
# chmod a+x /usr/bin/nslookup
VM Disk:
Paravirtual plus virtual sharing
Independent
VMX:
disk.enableUUID = "TRUE"
"scsi1:0.sharing"="multi-writer";