fence_kdump(8) [centos man page]

fence_kdump(8)						      System Manager's Manual						    fence_kdump(8)

NAME

       fence_kdump - fencing agent for use with kdump crash recovery service

SYNOPSIS

       fence_kdump [OPTIONS]...

DESCRIPTION

       fence_kdump is an I/O fencing agent to be used with the kdump crash recovery service. When the fence_kdump agent is invoked, it will listen
       for a message from the failed node that acknowledges that the failed node it executing the kdump crash kernel.  Note  that  fence_kdump	is
       not  a  replacement for traditional fencing methods. The fence_kdump agent can only detect that a node has entered the kdump crash recovery
       service. This allows the kdump crash recovery service complete without being preempted by traditional power fencing methods.

OPTIONS

       -n, --nodename=NODE
	      Name or IP address of node to be fenced. This option is required for the "off" action. (default: none)

       -p, --ipport=PORT
	      IP port number that the fence_kdump agent will use to listen for messages. (default: 7410)

       -f, --family=FAMILY
	      IP network family. Force the fence_kdump agent to use a specific family. The value for FAMILY can  be  "auto",  "ipv4",  or  "ipv6".
	      (default: auto)

       -o, --action=ACTION
	      Fencing action to perform. The value for ACTION can be either "off" or "metadata". (default: off)

       -t, --timeout=TIMEOUT
	      Numer  of  seconds  to  wait  for  message from failed node. If no message is received within TIMEOUT seconds, the fence_kdump agent
	      returns failure. (default: 60)

       -v, --verbose
	      Print verbose output.

       -V, --version
	      Print version and exit.

       -h, --help
	      Print usage and exit.

STDIN PARAMETERS

       These parameters are passed to fence_kdump via standard input if no command-line options are present.

       nodename=NODE
	      Name or IP address of node to be fenced. This option is required for the "off" action. (default: none)

       ipport=PORT
	      IP port number that the fence_kdump agent will use to listen for messages. (default: 7410)

       action=ACTION
	      Fencing action to perform. The value for ACTION can be either "off" or "metadata". (default: off)

       timeout=TIMEOUT
	      Numer of seconds to wait for message from failed node. If no message is received	within	TIMEOUT  seconds,  the	fence_kdump  agent
	      returns failure. (default: 60)

ACTIONS

       off    Listen  for message from failed node that acknowledges node has entered kdump crash recovery service. If a valid message is received
	      from the failed node, the node is considered to be fenced and the agent returns success. Failure to receive a valid message from the
	      failed node in the given timeout period results in fencing failure.

       metadata
	      Print XML metadata to standard output.

AUTHOR

       Ryan O'Hara <rohara@redhat.com>

SEE ALSO

       fence_kdump_send(8), fenced(8), fence_node(8)

																    fence_kdump(8)

Check Out this Related Man Page

fence_mcdata(8) 					      System Manager's Manual						   fence_mcdata(8)

NAME

       fence_mcdata - I/O Fencing agent for McData FC switches

SYNOPSIS

       fence_mcdata [OPTION]...

DESCRIPTION

       fence_mcdata  is  an  I/O  Fencing agent which can be used with McData FC switches.  It logs into a McData switch via telnet and disables a
       specified port.	Disabling the port which a machine is connected to effectively fences that machine.  Lengthy  telnet  connections  to  the
       switch should be avoided while a GFS cluster is running because the connection will block any necessary fencing actions.

       fence_mcdata  accepts  options  on  the command line as well as from stdin.  fenced sends parameters through stdin when it execs the agent.
       fence_mcdata can be run by itself with command line options which is useful for testing.

       After a fence operation has taken place the fenced machine can no longer connect to the McData FC switch.  When the fenced machine is ready
       to  be  brought	back into the GFS cluster (after reboot) the port on the McData FC switch needs to be enabled. This can be done by running
       fence_mcdata and specifying the enable action.

       Vendor URL: http://www.brocade.com

OPTIONS

       -a IPaddress
	      IP address of the switch.

       -h     Print out a help message describing available options, then exit.

       -l login
	      Username name for the switch.

       -n port
	      The port number to disable on the switch.

       -o action
	      The action required.  disable (default) or enable.

       -p password
	      Password for login.

       -S path
	      Full path to an executable to generate the password for login.

       -q     Quiet mode: print only error messages.

       -V     Print out a version message, then exit.

STDIN PARAMETERS

       agent = < param >
	      This option is used by fence_node(8) and is ignored by fence_mcdata.

       ipaddr = < hostname | ip >
	      IP address or hostname of the switch.

       login = < param >
	      Login name.

       option = < param >
	      The action required.  disable (default) or enable.

       passwd = < param >
	      Password for login.

       passwd_script = < param >
	      Full path to an executable to generate the password for login.

       port = < param >
	      The port number to disable on the switch.

SEE ALSO

       fence(8), fence_node(8)

																   fence_mcdata(8)

Linux and UNIX Man Pages

fence_kdump(8) [centos man page]

Check Out this Related Man Page