mysql 1146 错误处理

mysql 1146 错误处理在进行mysql 相关的备份,会出现1146错误。问题出现是因为之前把   mysql/data/ibdata1,ib_logfile0,ib_logfile1,ib_logfile2 文件删除了,mysql重启之后会自动生成这些文件的。但是之前的innodb引擎,就不能再访问了。特别注意一下: 删除ibdata1 文件的时候,必须要记得  这5张i…

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在进行 mysql  相关的备份,会出现 1146 错误。

问题出现是因为 之前 把    mysql/data/ ibdata1 , ib_logfile0, ib_logfile1, ib_logfile2  文件 删除了,mysql重启之后会自动生成 这些文件的。但是之前的innodb引擎,就不能再 访问了。

特别注意一下:  删除ibdata1  文件的时候,必须要记得   这 5张innodb表。

所以需要重新创建 这些 系统表:

 innodb_table_stats
 innodb_index_stats
 slave_master_info
 slave_relay_log_info
 slave_worker_info

处理该问题方法:    如果有主从同步的话,需要先 stop slave;

1、 删除上述系统表
drop table mysql.innodb_index_stats;
 drop table mysql.innodb_table_stats;
 drop table mysql.slave_master_info;
 drop table mysql.slave_relay_log_info;
 drop table mysql.slave_worker_info;

 2. /mysql/data/mysql/  删除相关的.frm .ibd文件
rm -rf innodb_index_stats*
 rm -rf innodb_table_stats*
 rm -rf slave_master_info*
 rm -rf slave_relay_log_info*
 rm -rf slave_worker_info*

 3.重新创建上述系统表
CREATE TABLE `innodb_index_stats` (
  `database_name` varchar(64) COLLATE utf8_bin NOT NULL,
  `table_name` varchar(64) COLLATE utf8_bin NOT NULL,
  `index_name` varchar(64) COLLATE utf8_bin NOT NULL,
  `last_update` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `stat_name` varchar(64) COLLATE utf8_bin NOT NULL,
  `stat_value` bigint(20) unsigned NOT NULL,
  `sample_size` bigint(20) unsigned DEFAULT NULL,
  `stat_description` varchar(1024) COLLATE utf8_bin NOT NULL,
  PRIMARY KEY (`database_name`,`table_name`,`index_name`,`stat_name`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin STATS_PERSISTENT=0;

 
 CREATE TABLE `innodb_table_stats` (
  `database_name` varchar(64) COLLATE utf8_bin NOT NULL,
  `table_name` varchar(64) COLLATE utf8_bin NOT NULL,
  `last_update` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `n_rows` bigint(20) unsigned NOT NULL,
  `clustered_index_size` bigint(20) unsigned NOT NULL,
  `sum_of_other_index_sizes` bigint(20) unsigned NOT NULL,
  PRIMARY KEY (`database_name`,`table_name`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin STATS_PERSISTENT=0;

 
 CREATE TABLE `slave_master_info` (
  `Number_of_lines` int(10) unsigned NOT NULL COMMENT ‘Number of lines in the file.’,
  `Master_log_name` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT ‘The name of the master binary log currently being read from the master.’,
  `Master_log_pos` bigint(20) unsigned NOT NULL COMMENT ‘The master log position of the last read event.’,
  `Host` char(64) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL DEFAULT ” COMMENT ‘The host name of the master.’,
  `User_name` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT ‘The user name used to connect to the master.’,
  `User_password` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT ‘The password used to connect to the master.’,
  `Port` int(10) unsigned NOT NULL COMMENT ‘The network port used to connect to the master.’,
  `Connect_retry` int(10) unsigned NOT NULL COMMENT ‘The period (in seconds) that the slave will wait before trying to reconnect to the master.’,
  `Enabled_ssl` tinyint(1) NOT NULL COMMENT ‘Indicates whether the server supports SSL connections.’,
  `Ssl_ca` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT ‘The file used for the Certificate Authority (CA) certificate.’,
  `Ssl_capath` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT ‘The path to the Certificate Authority (CA) certificates.’,
  `Ssl_cert` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT ‘The name of the SSL certificate file.’,
  `Ssl_cipher` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT ‘The name of the cipher in use for the SSL connection.’,
  `Ssl_key` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT ‘The name of the SSL key file.’,
  `Ssl_verify_server_cert` tinyint(1) NOT NULL COMMENT ‘Whether to verify the server certificate.’,
  `Heartbeat` float NOT NULL,
  `Bind` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT ‘Displays which interface is employed when connecting to the MySQL server’,
  `Ignored_server_ids` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT ‘The number of server IDs to be ignored, followed by the actual server IDs’,
  `Uuid` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT ‘The master server uuid.’,
  `Retry_count` bigint(20) unsigned NOT NULL COMMENT ‘Number of reconnect attempts, to the master, before giving up.’,
  `Ssl_crl` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT ‘The file used for the Certificate Revocation List (CRL)’,
  `Ssl_crlpath` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT ‘The path used for Certificate Revocation List (CRL) files’,
  `Enabled_auto_position` tinyint(1) NOT NULL COMMENT ‘Indicates whether GTIDs will be used to retrieve events from the master.’,
  PRIMARY KEY (`Host`,`Port`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 STATS_PERSISTENT=0 COMMENT=’Master Information’;

 
 CREATE TABLE `slave_relay_log_info` (
  `Number_of_lines` int(10) unsigned NOT NULL COMMENT ‘Number of lines in the file or rows in the table. Used to version table definitions.’,
  `Relay_log_name` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT ‘The name of the current relay log file.’,
  `Relay_log_pos` bigint(20) unsigned NOT NULL COMMENT ‘The relay log position of the last executed event.’,
  `Master_log_name` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT ‘The name of the master binary log file from which the events in the relay log file were read.’,
  `Master_log_pos` bigint(20) unsigned NOT NULL COMMENT ‘The master log position of the last executed event.’,
  `Sql_delay` int(11) NOT NULL COMMENT ‘The number of seconds that the slave must lag behind the master.’,
  `Number_of_workers` int(10) unsigned NOT NULL,
  `Id` int(10) unsigned NOT NULL COMMENT ‘Internal Id that uniquely identifies this record.’,
  PRIMARY KEY (`Id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 STATS_PERSISTENT=0 COMMENT=’Relay Log Information’;
 
 CREATE TABLE `slave_worker_info` (
  `Id` int(10) unsigned NOT NULL,
  `Relay_log_name` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
  `Relay_log_pos` bigint(20) unsigned NOT NULL,
  `Master_log_name` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
  `Master_log_pos` bigint(20) unsigned NOT NULL,
  `Checkpoint_relay_log_name` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
  `Checkpoint_relay_log_pos` bigint(20) unsigned NOT NULL,
  `Checkpoint_master_log_name` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
  `Checkpoint_master_log_pos` bigint(20) unsigned NOT NULL,
  `Checkpoint_seqno` int(10) unsigned NOT NULL,
  `Checkpoint_group_size` int(10) unsigned NOT NULL,
  `Checkpoint_group_bitmap` blob NOT NULL,
  PRIMARY KEY (`Id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 STATS_PERSISTENT=0 COMMENT=’Worker Information’;

 5、重启数据库

6、如果Slave启动报错,则使用步骤4的信息,重新change master

 

 

参考: https://www.linuxidc.com/Linux/2015-05/117521.htm

 

 

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