fence_virt is an I/O Fencing agent which can be used withvirtual machines. Specify (stdin) or increment (command line) debug level Serial device (default=/dev/ttyS1) Serial Parameters (default=115200,8N1) VM Channel IP address (default=10.0.2.179) Multicast or VMChannel IP port (default=1229) Virtual Machine (domain name) to fence Fencing action (null, off, on, [reboot], status, list, monitor, metadata) Fencing timeout (in seconds; default=30) Fencing delay (in seconds; default=0) Virtual Machine (domain name) to fence (deprecated; use port)