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ocf_heartbeat_mysql

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ocf_heartbeat_mysql: Manages a MySQL database instance

NAME
ocf_heartbeat_mysql - Manages a MySQL database instance

SYNOPSIS

mysql [start | stop | status | monitor | promote | demote | meta-data | validate-all]

DESCRIPTION

Resource script for MySQL. May manage a standalone MySQL database, a clone set with externally managed replication, or a complete master/slave replication setup.

SUPPORTED PARAMETERS

binary Location of the MySQL server binary (optional, string, default /usr/bin/mysqld_safe) client_binary Location of the MySQL client binary (optional, string, default mysql) config Configuration file (optional, string, default /etc/mysql/my.cnf) datadir Directory containing databases (optional, string, default /var/lib/mysql) user User running MySQL daemon (optional, string, default mysql) group Group running MySQL daemon (for logfile and directory permissions) (optional, string, default mysql) log The logfile to be used for mysqld. (optional, string, default /var/log/mysql.log) pid The pidfile to be used for mysqld. (optional, string, default /var/run/mysqld/mysqld.pid) socket The socket to be used for mysqld. (optional, string, default /var/lib/mysqld/mysqld.sock) test_table Table to be tested in monitor statement (in database.table notation) (optional, string, default mysql.user) test_user MySQL test user (optional, string, default root) test_passwd MySQL test user password (optional, string, no default) enable_creation If the MySQL database does not exist, it will be created (optional, integer, default 0) additional_parameters Additional parameters which are passed to the mysqld on startup. (e.g. --skip-external-locking or --skip-grant-tables) (optional, string, no default) replication_user MySQL replication user. This user is used for starting and stopping MySQL replication, for setting and resetting the master host, and for setting and unsetting read-only mode. Because of that, this user must have SUPER, REPLICATION SLAVE, REPLICATION CLIENT, and PROCESS privileges on all nodes within the cluster. (optional, string, no default) replication_passwd MySQL replication password. Used for replication client and slave. (optional, string, no default) replication_port The port on which the Master MySQL instance is listening. (optional, string, default 3306) max_slave_lag The maximum number of seconds a replication slave is allowed to lag behind its master. Do not set this to zero. What the cluster manager does in case a slave exceeds this maximum lag is determined by the evict_outdated_slaves parameter. (optional, integer, default 3600) evict_outdated_slaves If set to true, any slave which is more than max_slave_lag seconds behind the master has its MySQL instance shut down. If this parameter is set to false in a primitive or clone resource, it is simply ignored. If set to false in a master/slave resource, then exceeding the maximum slave lag will merely push down the master preference so the lagging slave is never promoted to the new master. (optional, boolean, default false)

SUPPORTED ACTIONS

This resource agent supports the following actions (operations): start Starts the resource. Suggested minimum timeout: 120. stop Stops the resource. Suggested minimum timeout: 120. status Performs a status check. Suggested minimum timeout: 60. monitor Performs a detailed status check. Suggested minimum timeout: 30. Suggested interval: 20. monitor (Master role) Performs a detailed status check. Suggested minimum timeout: 30. Suggested interval: 10. monitor (Slave role) Performs a detailed status check. Suggested minimum timeout: 30. Suggested interval: 30. promote Promotes the resource to the Master role. Suggested minimum timeout: 120. demote Demotes the resource to the Slave role. Suggested minimum timeout: 120. notify Suggested minimum timeout: 90. validate-all Performs a validation of the resource configuration. Suggested minimum timeout: 5. meta-data Retrieves resource agent metadata (internal use only). Suggested minimum timeout: 5.
EXAMPLE
The following is an example configuration for a mysql resource using the crm(8) shell: primitive p_mysql ocf:heartbeat:mysql \ op monitor depth="0" timeout="30" interval="20" \ op monitor role="Master" depth="0" timeout="30" interval="10" \ op monitor role="Slave" depth="0" timeout="30" interval="30" ms ms_mysql p_mysql \ meta notify="true" interleave="true"
SEE ALSO
//www.linux-ha.org/wiki/mysql_(resource_agent)

AUTHOR

Linux-HA contributors (see the resource agent source for information about individual OCF_HEARTBEAT_MYSQL(7)
 
 
 

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