fence_kdump_send man page

fence_kdump_send ā€” send kdump acknowlegement message to cluster nodes


fence_kdump_send [Options]... [NODE]...


fence_kdump_send is a utility used to send messages that acknowledge that the node has entered the kdump crash recovery service. This utility is intended to be used the the fence_kdump agent as a means detect that a failed node has entered the kdump crash recovery service. The fence_kdump_send utility is typically run from within the kdump kernel after a cluster node has encountered a kernel panic. Once the cluster node has entered the kdump crash recovery service, fence_kdump_send will periodically send messages to all cluster nodes. When the fence_kdump agent receives a valid message from the failed node, fencing is complete.


-p, --ipport=PORT

IP port number that the fence_kdump agent is using to listen for messages. (default: 7410)

-f, --family=FAMILY

IP network family. Force the fence_kdump_send utility to use a particular network family. Value for FAMILY can be "auto", "ipv4", or "ipv6". (default: auto)

-c, --count=COUNT

Number of messages to send. If COUNT is zero, fence_kdump_send will send messages indefinitely. (default: 0)

-i, --interval=INTERVAL

Time to wait between sending a message. The value for INTERVAL must be greater than zero. (default: 10)

-v, --verbose

Print verbose output.

-V, --version

Print version and exit.

-h, --help

Print usage and exit.


Ryan O'Hara <rohara@redhat.com>

See Also

fence_kdump(8), mkdumprd(8), kdump.conf(5)