[에러] [error][/usr/share/perl5/vendor_perl/MHA/ManagerUtil.pm, ln122] Got error when getting node version. Error:

[테스트 환경]

OS : CentOS7 64bit

DB : MariaDB 10.1.12

1. Error 내용

  - Replication 설정 확인 시 다음과 같은 에러 발생

[maria@ scripts]$ masterha_check_repl --conf=/maria_mha/[서비스명]/conf/[설정파일명].cnf 
Mon Aug  8 18:53:33 2016 - [warning] Global configuration file /etc/masterha_default.cnf not found. Skipping.
Mon Aug  8 18:53:33 2016 - [info] Reading application default configuration from /maria_mha/[서비스명]/conf/[설정파일명].cnf..
Mon Aug  8 18:53:33 2016 - [info] Reading server configuration from /maria_mha/[서비스명]/conf/[설정파일명].cnf..
Mon Aug  8 18:53:33 2016 - [info] MHA::MasterMonitor version 0.56.
Mon Aug  8 18:53:33 2016 - [debug] Connecting to servers..
Mon Aug  8 18:53:33 2016 - [debug]  Connected to: 192.168.3.206(192.168.3.206:3306), user=root
Mon Aug  8 18:53:33 2016 - [debug]  Number of slave worker threads on host 192.168.3.206(192.168.3.206:3306): 0
Mon Aug  8 18:53:33 2016 - [debug]  Connected to: 192.168.3.207(192.168.3.207:3306), user=root
Mon Aug  8 18:53:33 2016 - [debug]  Number of slave worker threads on host 192.168.3.207(192.168.3.207:3306): 0
Mon Aug  8 18:53:33 2016 - [debug]  Comparing MySQL versions..
Mon Aug  8 18:53:33 2016 - [debug]   Comparing MySQL versions done.
Mon Aug  8 18:53:33 2016 - [debug] Connecting to servers done.
Mon Aug  8 18:53:33 2016 - [info] GTID failover mode = 0
Mon Aug  8 18:53:33 2016 - [info] Dead Servers:
Mon Aug  8 18:53:33 2016 - [info] Alive Servers:
Mon Aug  8 18:53:33 2016 - [info]   192.168.3.206(192.168.3.206:3306)
Mon Aug  8 18:53:33 2016 - [info]   192.168.3.207(192.168.3.207:3306)
Mon Aug  8 18:53:33 2016 - [info] Alive Slaves:
Mon Aug  8 18:53:33 2016 - [info]   192.168.3.207(192.168.3.207:3306)  Version=10.1.12-MariaDB (oldest major version between slaves) log-bin:enabled
Mon Aug  8 18:53:33 2016 - [debug]    Relay log info repository: FILE
Mon Aug  8 18:53:33 2016 - [info]     Replicating from 192.168.3.206(192.168.3.206:3306)
Mon Aug  8 18:53:33 2016 - [info]     Primary candidate for the new Master (candidate_master is set)
Mon Aug  8 18:53:33 2016 - [info] Current Alive Master: 192.168.3.206(192.168.3.206:3306)
Mon Aug  8 18:53:33 2016 - [info] Checking slave configurations..
Mon Aug  8 18:53:33 2016 - [warning]  relay_log_purge=0 is not set on slave 192.168.3.207(192.168.3.207:3306).
Mon Aug  8 18:53:33 2016 - [info] Checking replication filtering settings..
Mon Aug  8 18:53:33 2016 - [info]  binlog_do_db= , binlog_ignore_db= 
Mon Aug  8 18:53:33 2016 - [info]  Replication filtering check ok.
Mon Aug  8 18:53:33 2016 - [info] GTID (with auto-pos) is not supported
Mon Aug  8 18:53:33 2016 - [info] Starting SSH connection tests..
Mon Aug  8 18:53:34 2016 - [debug] 
Mon Aug  8 18:53:33 2016 - [debug]  Connecting via SSH from maria@192.168.3.206(192.168.3.206:22) to maria@192.168.3.207(192.168.3.207:22)..
Mon Aug  8 18:53:34 2016 - [debug]   ok.
Mon Aug  8 18:53:34 2016 - [debug] 
Mon Aug  8 18:53:34 2016 - [debug]  Connecting via SSH from maria@192.168.3.207(192.168.3.207:22) to maria@192.168.3.206(192.168.3.206:22)..
Mon Aug  8 18:53:34 2016 - [debug]   ok.
Mon Aug  8 18:53:34 2016 - [info] All SSH connection tests passed successfully.
Mon Aug  8 18:53:34 2016 - [info] Checking MHA Node version..
Mon Aug  8 18:53:35 2016 - [info]  Version check ok.
Mon Aug  8 18:53:35 2016 - [info] Checking SSH publickey authentication settings on the current master..
Mon Aug  8 18:53:35 2016 - [debug] SSH connection test to 192.168.3.206, option -o StrictHostKeyChecking=no -o PasswordAuthentication=no -o BatchMode=yes -o ConnectTimeout=5, timeout 5
Mon Aug  8 18:53:35 2016 - [info] HealthCheck: SSH to 192.168.3.206 is reachable.
Mon Aug  8 18:53:35 2016 - [error][/usr/share/perl5/vendor_perl/MHA/ManagerUtil.pm, ln122] Got error when getting node version. Error:
Mon Aug  8 18:53:35 2016 - [error][/usr/share/perl5/vendor_perl/MHA/ManagerUtil.pm, ln123] 
bash: apply_diff_relay_logs: command not found
Mon Aug  8 18:53:35 2016 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln132] Failed to get MHA node version on the current master even though current master is reachable via SSH!
Mon Aug  8 18:53:35 2016 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln424] Error happened on checking configurations.  at /bin/masterha_check_repl line 48.
Mon Aug  8 18:53:35 2016 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln523] Error happened on monitoring servers.
Mon Aug  8 18:53:35 2016 - [info] Got exit code 1 (Not master dead).

MySQL Replication Health is NOT OK!

2. 해결 방안

  - Master와 Slave에 mha 파일이 설치되어있는지 확인한다.

    - mha4mysql-node-0.56-0.el6.noarch

    - mha4mysql-manager-0.56-0.el6.noarch