MySQL同步故障:" Slave_SQL_Running:No" 兩種解決辦法
進入slave伺服器,執行:
mysql> show slave status\G
Relay_Log_File: localhost-relay-bin.000535 Relay_Log_Pos: 21795072 Relay_Master_Log_File: localhost-bin.000094 Slave_IO_Running: Yes Slave_SQL_Running: No Replicate_Do_DB: Replicate_Ignore_DB:
解決辦法一、
Slave_SQL_Running: No 1.程式可能在slave上進行了寫操作
2.也可能是slave機器重起後,事務回滾造成的.
一般是事務回滾造成的: 解決辦法: mysql> stop slave ; mysql> set GLOBAL SQL_SLAVE_SKIP_COUNTER=1; mysql> start slave ;
解決辦法二、
首先停掉Slave服務:slave stop 到主伺服器上檢視主機狀態: 記錄File和Position對應的值
進入master
mysql> show master status; ±---------------------±---------±-------------±-----------------+ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | ±---------------------±---------±-------------±-----------------+ | localhost-bin.000094 | 33622483 | | | ±---------------------±---------±-------------±-----------------+ 1 row in set (0.00 sec)
然後到slave伺服器上執行手動同步:
mysql> change master to
master_host=‘master_ip’, master_user=‘user’, master_password=‘pwd’, master_port=3306, master_log_file=localhost-bin.000094’, master_log_pos=33622483 ; 1 row in set (0.00 sec) mysql> start slave ; 1 row in set (0.00 sec)
mysql> show slave status\G *************************** 1. row *************************** … Master_Log_File: localhost-bin.000094 Read_Master_Log_Pos: 33768775 Relay_Log_File: localhost-relay-bin.000537 Relay_Log_Pos: 1094034 Relay_Master_Log_File: localhost-bin.000094 Slave_IO_Running: Yes Slave_SQL_Running: Yes Replicate_Do_DB:
手動同步需要停止master的寫操作!