fence_apc is an I/O Fencing agent which can be used with the APC network power switch. It logs into device via telnet/ssh and reboots a specified outlet. Lengthy telnet/ssh connections should be avoided while a GFS cluster is running because the connection will block any necessary fencing actions. http://www.apc.com IP Address or Hostname Login Name Login password or passphrase Force Python regex for command prompt SSH connection Physical plug number, name of virtual machine or UUID Physical switch number on device TCP/UDP port to use for connection with device Forces agent to use IPv4 addresses only Forces agent to use IPv6 addresses only Script to retrieve password Identity file for ssh SSH options to use Fencing Action Verbose mode Write debug information to given file Display version information and exit Display help and exit Separator for CSV created by operation list Test X seconds for status change after ON/OFF Wait X seconds for cmd prompt after issuing command Wait X seconds for cmd prompt after login Wait X seconds after issuing ON/OFF Wait X seconds before fencing is started Count of attempts to retry power on