Provided by: mha4mysql-manager_0.58-1_all 

NAME
masterha_master_switch - Switching MySQL master server to one of other slave servers
SYNOPSIS
# For master failover masterha_master_switch --master_state=dead --global_conf=/etc/masterha_default.cnf --conf=/usr/local/masterha/conf/app1.cnf --dead_master_host=host1 # For online master switch masterha_master_switch --master_state=alive --global_conf=/etc/masterha_default.cnf --conf=/usr/local/masterha/conf/app1.cnf See online reference (http://code.google.com/p/mysql-master-ha/wiki/masterha_master_switch) for details.
DESCRIPTION
See online reference (http://code.google.com/p/mysql-master-ha/wiki/masterha_master_switch) for details.