Various storage types may be used for storing virtualized guests. However, for a guest to be able to use migration features the guest must be created on networked storage.
Red Hat Enterprise Linux 6 requires at least 1GB of storage space. However, Red Hat recommends at least 5GB of storage space for a Red Hat Enterprise Linux 6 installation and for the procedures in this guide.
Open virt-manager and start the wizard
Open virt-manager by executing the virt-manager command as root or opening Applications -> System Tools -> Virtual Machine Manager.