cyc1111 发表于 2018-10-3 08:35:54

检查MySQL的Slave是否正常

下午写了一个的检查MySQL REPLICATION的SLAVE是否正常的脚本,比较简单。  如果想和CRONTAB一块运行,去掉Read部分即可。
  1、脚本1通过MYSQL 命令 show status 来查看
  # cat slave_is_running
  #!/bin/sh
  #
  # Created by david yeung
  #
  # To determine whether slave is running or not.
  echo "Enter your Username"
  read USERNAME
  echo "Enter your password"
  stty -echo
  read PASSWD
  stty echo
  cd /usr/local/mysql/bin
  RESULT=`./mysql -u$USERNAME -p$PASSWD -e 'show status like "Slave_running"' -ss | awk '{print $2}'`
  if [ "$RESULT" == 'ON' ]
  then
  echo "Slave is running!" > /var/log/mysql_slave.log
  else
  echo "Slave is not running!"> /var/log/mysql_slave.log
  fi
  2、脚本2通过MYSQL命令 show slave status\G来实现
  #!/bin/sh
  #
  # Created by david yeung
  #
  # To determine whether slave is running or not.
  echo "Enter your Username"
  read USERNAME
  echo "Enter your password"
  stty -echo
  read PASSWD
  stty echo
  cd /usr/local/mysql/bin
  RESULT=`./mysql -u$USERNAME -p$PASSWD -e 'show slave status\G' -ss| awk '{print $2}' | head -n 13 | tail -n2`
  if [ "$RESULT" == 'Yes Yes' ]
  then
  echo "Slave is running!" > /var/log/mysql_slave.log
  else
  echo "Slave is not running!"> /var/log/mysql_slave.log
  fi
  3、测试一下
  # ./slave_is_running
  Enter your Username
  root
  Enter your password
  # cat /var/log/mysql_slave.log
  Slave is running!
  我停掉SLAVE。
  # cat /var/log/mysql_slave.log
  Slave is not running!

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