我们的备份服务器上运行了一个

mysql复制客户端.自上周停电以来,它已停止复制.在此之前,它连续几个月没有运行.

我已经尝试重新启动主设备和从设备,但这没有帮助.我可以从从服务器访问主服务器,因此网络不是问题.

还有什么我可以做的来尝试诊断问题是什么吗？

mysql> show slave status\G;

*************************** 1. row ***************************

Slave_IO_State:

Master_Host: master

Master_User: username

Master_Port: 3306

Connect_Retry: 60

Master_Log_File: mysql-bin.000060

Read_Master_Log_Pos: 46277494

Relay_Log_File: mysqld-relay-bin.000348

Relay_Log_Pos: 98

Relay_Master_Log_File: mysql-bin.000060

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: 46277494

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

1 row in set (0.00 sec)

ERROR:

No query specified

mysql> show master status\G;

*************************** 1. row ***************************

File: mysql-bin.000069

Position: 851796

Binlog_Do_DB:

Binlog_Ignore_DB:

1 row in set (0.00 sec)

ERROR:

No query specified

更新：错误进入daemon.log,而不是mysql.err,这可以解释为什么我找不到它们.问题似乎是主人说日志不可用,这没有多大意义,因为主日志仍然可以使用该日志(和前一个日志).

090710 9:17:35 [Note] Slave SQL thread initialized, starting replication in log 'mysql-bin.000060' at position 46277494, relay log './mysqld-relay-bin.000350' position: 98

090710 9:17:35 [Note] Slave I/O thread: connected to master 'username@master:3306', replication started in log 'mysql-bin.000060' at position 46277494

090710 9:17:35 [ERROR] Error reading packet from server: Client requested master to start replication from impossible position ( server_errno=1236)

090710 9:17:35 [ERROR] Got fatal error 1236: 'Client requested master to start replication from impossible position' from master when reading data from binary log

090710 9:17:35 [Note] Slave I/O thread exiting, read up to log 'mysql-bin.000060', position 46277494