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 mailto: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
来源: http://www.linuxidc.com/Linux/2019-03/157672.htm