.\"/* .\" * Copyright (C) 2010 Red Hat, Inc. .\" * .\" * All rights reserved. .\" * .\" * Author: Angus Salkeld .\" * .\" * This software licensed under BSD license, the text of which follows: .\" * .\" * Redistribution and use in source and binary forms, with or without .\" * modification, are permitted provided that the following conditions are met: .\" * .\" * - Redistributions of source code must retain the above copyright notice, .\" * this list of conditions and the following disclaimer. .\" * - Redistributions in binary form must reproduce the above copyright notice, .\" * this list of conditions and the following disclaimer in the documentation .\" * and/or other materials provided with the distribution. .\" * - Neither the name of Red Hat, Inc. nor the names of its .\" * contributors may be used to endorse or promote products derived from this .\" * software without specific prior written permission. .\" * .\" * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" .\" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE .\" * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE .\" * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE .\" * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR .\" * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF .\" * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS .\" * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN .\" * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) .\" * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF .\" * THE POSSIBILITY OF SUCH DAMAGE. .\" */ .TH COROSYNC-BLACKBOX 8 2010-05-30 .SH NAME corosync-blackbox \- Dump live "flight data" from the corosync "blackbox". .SH SYNOPSIS .B "corosync-blackbox" .SH DESCRIPTION .B corosync-blackbox Trigger corosync to write it's "flight data" out to file and then run .B qb-blackbox which prints it out. .SH EXAMPLES .TP Print the current "flight data". .br $ corosync-blackbox .br Starting replay: head [74205] tail [0] .br rec=[1] Log Message=Corosync Cluster Engine ('1.2.1'): started and ready to provide service. .br [...] .br rec=[2607] Log Message=Delivering MCAST message with seq a to pending delivery queue .br rec=[2608] Log Message=downlist received left_list: 2 .br rec=[2609] Log Message=chosen downlist from node r(0) ip(192.168.100.11) .br Finishing replay: records found [2609] .br .SH SEE ALSO .BR qb-blackbox (8), .BR corosync-cmapctl (8) .SH AUTHOR Angus Salkeld .PP