安装环境:CentOS 6.5 MySQL 5.7.22 MHA 0.56
1、找不到mysql 命令
Sat Mar 23 07:17:50 2019 - [info] Connecting to root@192.168.32.181(server2:22).. Checking slave recovery environment settings.. Opening /data/mysql/relay-log.info ... ok. Relay log found at /data/mysql, up to server2-relay-bin.000005 Temporary relay log file is /data/mysql/server2-relay-bin.000005 Testing mysql connection and privileges..sh: mysql: command not found mysql command failed with rc 127:0!
解决办法:找到MySQL 的安装目录,创建适当的软链接
ln -s /usr/local/mysql/bin/mysqlbinlog /usr/local/bin/mysqlbinlog ln -s /usr/local/mysql/bin/mysql /usr/local/bin/mysql
2、脚本文件没有执行权限
Sat Mar 23 07:25:46 2019 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln424] Error happened on checking configurations. Can't exec "/usr/local/bin/master_ip_failover": Permission denied at /usr/share/perl5/vendor_perl/MHA/ManagerUtil.pm line 68. Sat Mar 23 07:25:46 2019 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln523] Error happened on monitoring servers. Sat Mar 23 07:25:46 2019 - [info] Got exit code 1 (Not master dead).
MySQL Replication Health is NOT OK!
解决办法:赋权
chmod +x /usr/local/bin/master_ip_failover
3、master_ip_failover脚本错误
Sat Mar 23 07:27:44 2019 - [info] Checking master_ip_failover_script status: Sat Mar 23 07:27:44 2019 - [info] /usr/local/bin/master_ip_failover --command=status --ssh_user=root --orig_master_host=server1 --orig_master_ip=192.168.32.180 --orig_master_port=3306 /usr/local/bin/master_ip_failover: line 4: use: command not found /usr/local/bin/master_ip_failover: line 6: use: command not found /usr/local/bin/master_ip_failover: line 10: use: command not found /usr/local/bin/master_ip_failover: line 14: syntax error near unexpected token `newline' /usr/local/bin/master_ip_failover: line 14: `my ( ' Sat Mar 23 07:27:44 2019 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln226] Failed to get master_ip_failover_script status with return code 2:0. Sat Mar 23 07:27:44 2019 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln424] Error happened on checking configurations. at /usr/bin/masterha_check_repl line 48 Sat Mar 23 07:27:44 2019 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln523] Error happened on monitoring servers. Sat Mar 23 07:27:44 2019 - [info] Got exit code 1 (Not master dead).
解决办法:#!/usr/bin/env perl要最顶行