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126 lines
4.2 KiB
Groff
126 lines
4.2 KiB
Groff
.\"/*
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.\" * Copyright (C) 2016 Red Hat, Inc.
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.\" *
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.\" * All rights reserved.
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.\" *
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.\" * Author: Jan Friesse <jfriesse@redhat.com>
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.\" *
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.\" * This software licensed under BSD license, the text of which follows:
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.\" *
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.\" * Redistribution and use in source and binary forms, with or without
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.\" * modification, are permitted provided that the following conditions are met:
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.\" *
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.\" * - Redistributions of source code must retain the above copyright notice,
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.\" * this list of conditions and the following disclaimer.
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.\" * - Redistributions in binary form must reproduce the above copyright notice,
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.\" * this list of conditions and the following disclaimer in the documentation
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.\" * and/or other materials provided with the distribution.
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.\" * - Neither the name of Red Hat, Inc. nor the names of its
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.\" * contributors may be used to endorse or promote products derived from this
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.\" * software without specific prior written permission.
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.\" *
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.\" * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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.\" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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.\" * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" * THE POSSIBILITY OF SUCH DAMAGE.
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.\" */
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.TH COROSYNC-QDEVICE-TOOL 8 2016-06-24
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.SH NAME
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corosync-qdevice-tool \- corosync-qdevice control interface.
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.SH SYNOPSIS
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.B "corosync-qdevice-tool [-Hhsv] [-p qdevice_ipc_socket_path]"
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.SH DESCRIPTION
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.B corosync-qdevice-tool
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is a frontend to the internal corosync-qdevice IPC. Its main purpose is to show important
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information about the current internal state of
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.B corosync-qdevice.
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.SH OPTIONS
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.TP
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.B -H
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Properly shutdown the
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.B corosync-qdevice
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process
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.TP
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.B -h
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Display a short usage text
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.TP
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.B -s
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Display the status of the
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.B corosync-qdevice
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process. The output is described in its own section below.
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.TP
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.B -v
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Display more verbose output for the
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.B -s
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option.
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.TP
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.B -p
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Path to the
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.B corosync-qdevice
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communication socket.
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.SH STATUS COMMAND OUTPUT
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.nf
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Qdevice information
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-------------------
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Model: Net
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Node ID: 1
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HB interval: 10000ms
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Sync HB interval: 30000ms
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Configured node list:
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0 Node ID = 1
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Ring ID: 1.a00000000021b48
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Membership node list: 1
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Quorate: Yes
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Quorum node list:
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0 Node ID = 1, State = member
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Expected votes: 2
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Last poll call: 2016-06-24T17:05:20 (cast vote)
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Qdevice-net information
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----------------------
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Cluster name: Cluster
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QNetd host: localhost:5403
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Connect timeout: 8000ms
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HB interval: 8000ms
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VQ vote timer interval: 5000ms
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TLS: Supported
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Algorithm: Fifty-Fifty split
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Tie-breaker: Node with lowest node ID
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Poll timer running: Yes (cast vote)
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State: Connected
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TLS active: Yes (client certificate sent)
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Connected since: 2016-06-24T17:02:35
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Echo reply received: 2016-06-24T17:05:15
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.fi
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The output is split into a generic qdevice section and a model specific section.
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Most of the items are just taken from corosync.conf file. It's helpful to note that the
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.I Membership node list
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is the membership list of the current node and should match the quorum node list.
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.I Last poll call
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is the timestamp (in iso format) of the last call to the votequorum_qdevice_poll
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function.
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For model net, it's good to check the
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.I Poll timer running
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state. Internally, model net supports 3 states. Not voting (when
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.I Poll timer running
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is No it means that the
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.B corosync-qnetd
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algorithm decides that the current node shouldn't get a vote),
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voting (without cast vote) and voting (with cast vote).
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.SH SEE ALSO
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.BR corosync-qnetd (8)
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.BR corosync-qdevice (8)
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.SH AUTHOR
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Jan Friesse
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.PP
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