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.IX Title "PMP-CHECK-MYSQL-REPLICATION-RUNNING 7"
.TH PMP-CHECK-MYSQL-REPLICATION-RUNNING 7 "2019-03-01" "perl v5.28.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
pmp\-check\-mysql\-replication\-running \- Alert when MySQL replication stops.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 10
\&  Usage: pmp\-check\-mysql\-replication\-running [OPTIONS]
\&  Options:
\&    \-c CRIT         Report CRITICAL when replication is stopped with or w/o errors.
\&    \-\-defaults\-file FILE Only read mysql options from the given file.
\&                    Defaults to /etc/nagios/mysql.cnf if it exists.
\&    \-d              Useful for slaves delayed by pt\-slave\-delay. It will not alert
\&                    when IO thread is running, SQL one is not and no errors.
\&    \-H HOST         MySQL hostname.
\&    \-l USER         MySQL username.
\&    \-L LOGIN\-PATH   Use login\-path to access MySQL (with MySQL client 5.6).
\&    \-p PASS         MySQL password.
\&    \-P PORT         MySQL port.
\&    \-S SOCKET       MySQL socket file.
\&    \-w WARN         Report WARNING when SHOW SLAVE STATUS output is empty.
\&    \-\-master\-conn NAME  Master connection name for MariaDB multi\-source replication.
\&    \-\-channel NAME  Master channel name for multi\-source replication (MySQL 5.7.6+).
\&    \-\-help          Print help and exit.
\&    \-\-version       Print version and exit.
\&  Options must be given as \-\-option value, not \-\-option=value or \-Ovalue.
\&  Use perldoc to read embedded documentation with more details.
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This Nagios plugin examines whether replication is running. It is separate from
the check for delay because it is confusing or impossible to handle all of the
combinations of replication errors and delays correctly, and provide an
appropriate type of alert, in a single program.
.PP
By default, this plugin treats it as critical when the either thread stops with
an error, and a warning when threads are stopped with no error.  You can provide
critical and warning thresholds with the \-c and \-w options, for compatibility
with Nagios plugin conventions, but they don't work as thresholds.  Instead, if
you specify a critical threshold, this plugin will treat it as critical if
either thread is stopped, with or without an error.
.PP
The warning threshold makes the plugin report a warning when \s-1SHOW SLAVE STATUS\s0
produces no output, which means it is not configured as a replica.  By default,
this plugin will report that replication is healthy when a server isn't
configured as a replica.
.PP
If you want to run this check against the delayed slaves, e.g. those running
with pt-slave-delay tool, you may want to specify \-d option. It will not alert
when Slave_IO_Running is Yes, Slave_SQL_Running is No and there are no errors.
.SH "PRIVILEGES"
.IX Header "PRIVILEGES"
This plugin executes the following commands against MySQL:
.IP "\(bu" 4
\&\f(CW\*(C`SHOW SLAVE STATUS [NONBLOCKING|NOLOCK]\*(C'\fR
.PP
This plugin executes no \s-1UNIX\s0 commands that may need special privileges.
.SH "COPYRIGHT, LICENSE, AND WARRANTY"
.IX Header "COPYRIGHT, LICENSE, AND WARRANTY"
This program is copyright 2012\-$CURRENT_YEAR$ Baron Schwartz, 2012\-$CURRENT_YEAR$ Percona Inc.
Feedback and improvements are welcome.
.PP
\&\s-1THIS PROGRAM IS PROVIDED \*(L"AS IS\*(R" AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.\s0
.PP
This program is free software; you can redistribute it and/or modify it under
the terms of the \s-1GNU\s0 General Public License as published by the Free Software
Foundation, version 2.  You should have received a copy of the \s-1GNU\s0 General
Public License along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, \s-1MA\s0  02111\-1307  \s-1USA.\s0
.SH "VERSION"
.IX Header "VERSION"
\&\f(CW$PROJECT_NAME\fR$ pmp-check-mysql-replication-running \f(CW$VERSION\fR$