XEN如何将虚拟机放在/ etc / xen以外的目录中

On my CentOS 5.2 box the XEN virtual machine configuration files have to be located in /etc/xen to be started without specifying a path. I want to move my virtual machines into /etc/xen/vm to separate them from the configuration files of the xen server. Is there an easy way to change the default directory from /etc/xen to /etc/xen/vm ?On my CentOS 5.2 box the XEN virtual machine co