mysql主從同步監控小腳本(加強版)： 新版本腳本增加了“當發現同步出現無法同步的時候”會自動提取主庫的file號，以及pos,進行同步主庫，腳本內容如下：

#!/bin/sh ?

#set?-x ?

#file?is?slave_repl.sh ?

#Author?by?Kevin ?

#date?is?2011-11-13 ?

mstool="/usr/local/mysql-3307/bin/mysql?-h?192.168.1.106?-uroot?-pw!zl7POg27?-P?3307"?

sltool="/usr/local/mysql-3307/bin/mysql?-h?192.168.1.107?-uroot?-pw!zl7POg27?-P?3307"?

declare?-a?slave_stat ?

slave_stat=($($sltool?-e?"show?slave?status\G"|grep?Running?|awk?'{print?$2}')) ?

if?[?"${slave_stat[0]}"?=?"Yes"?-a?"${slave_stat[1]}"?=?"Yes"?] ?

?????then?

?????echo?"OK?slave?is?running"?

?????exit?0 ?

else?

?????echo?"Critical?slave?is?error"?

?????echo ?

echo?"*********************************************************"?

?????echo?"Now?Starting?replication?with?Master?Mysql!"?

????????file=`$mstool?-e?"show?master?status\G"|grep?"File"|awk?'{print?$2}'`? ?

????????pos=`$mstool?-e?"show?master?status\G"|grep?"Pos"|awk?'{print?$2}'`? ?

????????$sltool?-e?"slave?stop;change?master?to?master_host='192.168.1.106',master_port=3307,master_user='repl',master_password='w!zl7POg27',master_log_file='$file',master_log_pos=$pos;slave?start;"?

????????sleep?3 ?

????????$sltool?-e?"show?slave?status\G;"|grep?Running ?

????echo ?

????echo?"Now?Replication?is?Finished!"?

????echo ?

echo?"**********************************************************"?

????????exit?2 ?

fi?

運行后效果，如下圖：

#?./slave_stop3307.sh? ?

******************************* ?

Now?stop?Slave?Replication! ?

???????????Slave_IO_Running:?No?

??????????Slave_SQL_Running:?No?

******************************* ?

#?./slave_repl3307.sh? ?

Critical?slave?is?error ?

********************************************************* ?

Now?Starting?replication?with?Master?Mysql! ?

???????????Slave_IO_Running:?Yes ?

??????????Slave_SQL_Running:?Yes ?

Now?Replication?is?Finished! ?

**********************************************************?

?

轉載于:https://blog.51cto.com/255361/837912

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