mmmd_mon.1

mysql+ha. 实现高可用性 http://code.google.com/p/mysql-master-master/

." Text automatically generated by txt2man
.TH mmmd_mon  "06 May 2007" "MySQL Master-Master Manager" ""
.SH NAME
\fBmmmd_mon \fP- MySQL Master-Master Manager Daemon
\fB
.SH SYNOPSIS
.nf
.fam C
\fBmmmd_mon\fP
\fBmmmd_mon\fP @cluster_name

.fam T
.fi
.fam T
.fi
.SH DESCRIPTION
MMM (MySQL Master-Master Replication Manager) is set of flexible scripts
to perform monitoring and management of MySQL Masrter-Master replication 
cluster configurations.
.PP
\fBmmmd_mon\fP is a central part of entire MMM-cluster. It runs on dedicated 
monitoring server or on one of client servers which use MySQL cluster.
.PP
This script performs monitoring of all servers described in its config 
file, maintains set of roles/IPs and tries to keep entire cluster alive 
when some of its nodes are dying.
.PP
At this moment monitoring script could perform following checks on 
remote servers:
.RS
.IP \(bu 3
ping
.IP \(bu 3
mysql connect
.IP \(bu 3
mysql replication threads state
.IP \(bu 3
mysql replication lag
.RE
.PP
Details about monitoring configuration and checkers configuration could be
found in another sections of this manual dedicated to config files 
description: \fBmmm_agent.conf\fP(5), mmm_mon.conf (5) and other.
.SH OPTIONS
@cluster_name - This is the only option at this time. If it is used, 
then \fBmmmd_mon\fP would try to read configuration from 
$BASE_DIR/etc/mmm_mon_cluster_name.conf file.
.SH CONFIGURATION
This script uses $BASEDIR/etc/mmm_mon.conf file for its configuration. 
If cluster name option provided, then $BASE_DIR/etc/mmm_mon_cluster_name.conf 
file used.
.SH SEE ALSO
More information could be found in \fBmmmd_agent\fP(1), \fBmmm_mon.conf\fP(5).
.SH AUTHOR
Developed by Alexey Kovyrin <http://blog.kovyrin.net>. Consulting and ideas
provided by Peter Zaitsev from Percona Ltd company <http://mysqlperformanceblog.com>.