jing1,jing2,jing3 是相同的操作
server_id=1 #这里在不同的虚拟机上需要修改
gtid_mode=ON
enforce_gtid_consistency=ON
log_slave_updates=ON
log_bin=binlog
jing1上操作:
jing2上操作【同jing3】:
CHANGE MASTER TO
MASTER_HOST='172.25.1.101',
MASTER_USER='zj',
MASTER_PASSWORD='Westos+001',
MASTER_AUTO_POSITION=1;
jing3上 操作:
在jing4上操作:
yum install -y mha4mysql-manager-0.58-0.el7.centos.noarch.rpm
perl-*
mha4mysql-node-0.58-0.el7.centos.noarch.rpm
在jing1,jing2,jing3上安装节点
[server default]
manager_workdir=/etc/masterha
manager_log=/var/log/masterha.log
master_binlog_dir=/etc/masterha
#master_ip_failover_script= /usr/local/bin/master_ip_failover
##master_ip_online_change_script= /usr/local/bin/master_ip_online_change
password=Westos+001
user=root
ping_interval=1
remote_workdir=/tmp
repl_password=Westos+001
repl_user=zj
#report_script=/usr/local/send_report
#secondary_check_script= /usr/local/bin/masterha_secondary_check -s server03 -s server02
#shutdown_script=""
ssh_user=root
[server1]
hostname=172.25.1.101
port=3306
[server2]
hostname=172.25.1.102
port=3306
candidate_master=1
check_repl_delay=0
[server3]
hostname=172.25.1.103
port=3306
no_master=1
在jing1上授权
在jing4 上操作:
nohup masterha_manager --conf=/etc/masterha/app1.cnf --remove_dead_master_conf --ignore_last_failover < /dev/null > /var/log/masterha.log 2>&1 &
死切:
masterha_master_switch --master_state=dead --conf=/etc/masterha/app1.cnf --dead_master_host=172.25.1.101 --dead_master_ip=172.25.1.101 --dead_master_port=3306 --new_master_host=172.25.1.102 --new_master_port=3306
jing3查看
jing2查看:
jing1重新启动,并设置:
活切:
masterha_master_switch --conf=/etc/masterha/app1.cnf --master_state=alive --new_master_host=172.25.1.101 --new_master_port=3306 --orig_master_is_new_slave --running_updates_limit=10000
切到jing1上:
查看jing2,jing3
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vip飘移
打开脚本注释
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