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        MySQL 復(fù)制檢測腳本

        發(fā)布時間:  2012/9/16 14:19:46

        以下是根據(jù)網(wǎng)上的腳本整理,并結(jié)合實際進行改進。

        #!/bin/sh

        usage="$0 -hlocalhost -uroot -pxxxx -P3306"
        dbhost="localhost"
        dbuser=""
        dbpass=""
        dbport=3306

        for varin in $* ; do
         if [ ${varin:0:2} = '-h' ] ; then-
         

             dbhost=${varin:2}
          fi
         if [ ${varin:0:2} = '-u' ] ; then
             dbuser=${varin:2}
          fi
         if [ ${varin:0:2} = '-p' ] ; then
             dbpass=${varin:2}
          fi

         if [ ${varin:0:2} = '-P' ] ; then
             dbport=${varin:2}
          fi
        done

        echo $dbhost
        echo $dbuser
        echo $dbpass
        echo $dbport

        now=`date +"%Y%m%d%H%M%S"`
        datelog=`date +"%Y-%m-%d %H:%M:%S"`
        StatFile="./slave_status.$now"
        checklogfile="/var/log/mysql_slavecheck.log"
        echo "show slave status\G" | /usr/local/mysql/bin/mysql -u$dbuser -p$dbpass -h$dbhost -P$dbport > $StatFile


        #get io_thread,sql_thread,last_errno status
        #*************************** 1. row ***************************
        #             Slave_IO_State: Connecting to master
        #                Master_Host: 192.168.213.5
        #                Master_User: synuser
        #                Master_Port: 3306
        #              Connect_Retry: 60
        #            Master_Log_File: mysql-bin.000019
        #        Read_Master_Log_Pos: 366270403
        #             Relay_Log_File: Test-Web1-relay-bin.003133
        #              Relay_Log_Pos: 98
        #      Relay_Master_Log_File: mysql-bin.000019
        #           Slave_IO_Running: No
        #          Slave_SQL_Running: Yes
        #            Replicate_Do_DB:
        #        Replicate_Ignore_DB:
        #         Replicate_Do_Table:
        #     Replicate_Ignore_Table:
        #    Replicate_Wild_Do_Table:
        #Replicate_Wild_Ignore_Table:
        #                 Last_Errno: 0
        #                 Last_Error:
        #               Skip_Counter: 0
        #        Exec_Master_Log_Pos: 98
        #            Relay_Log_Space: 98
        #            Until_Condition: None
        #             Until_Log_File:
        #              Until_Log_Pos: 0
        #         Master_SSL_Allowed: No
        #         Master_SSL_CA_File:
        #         Master_SSL_CA_Path:
        #            Master_SSL_Cert:
        #          Master_SSL_Cipher:
        #             Master_SSL_Key:
        #      Seconds_Behind_Master: NULL
        IOSTAT=`grep "Slave_IO_Running" $StatFile |awk '{print $2}'`
        SQLSTAT=`grep "Slave_SQL_Running" $StatFile |awk '{print $2}'`
        Last_Errno=`grep "Last_Errno" $StatFile |awk '{print $2}'`
        Last_Error=`grep "Last_Error" $StatFile |awk '{print $2}'`
        Behind_Master=`grep "Seconds_Behind_Master" $StatFile |awk '{print $2}'`
        if [ $IOSTAT = 'No' ] || [ $SQLSTAT = 'No' ] ; then
           echo "Server $dbhost:$dbport Slave is down,Check Time is :$datelog " > $checklogfile

        if [ $Behind_Master = 'NULL' ] ; then
           echo "Server $dbhost:$dbport Slave not support slave-master,Check Time is :$datelog " >> $checklogfile
        else
           echo ">>Last_ErrNo:$Last_Errno" >>$checklogfile
           echo ">>Last_Error:$Last_Error" >>$checklogfile
           echo ">>slave is behind master $Behind seconds!" >>$checklogfile
        fi
        fi
        /bin/rm -rf $StatFile


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