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initialize master info structure, more error messages can be found in the MySQL error log Posted by: failed to open the relay log Prakash Nallusamy () Date: July 19, 2007 09:23AM Hi, I am facing this issue. I am having 1 master server and 7 slaves . due to some problem could not find target log during relay log initialization one of my slave got out of sync with master. wen i tried to start the slave am getting this error : mysql> start slave; ERROR 1201: Could not initialize master info structure, more error messages can be found in the MySQL error log my mysqlbinlog file contains : 070719 15:53:36 Could not find target log

Change Master To

during relay log initialization070719 15:57:38 Failed to open the relay log 'sn-uk-1-relay-bin.027' (relay_log_pos 458832187) and I have searched google and i got some information with that i have tried in this way mysql> CHANGE MASTER TO master_log_file='sn-sj-1-bin.021',master_log_pos=275410644; ERROR 1201: Could not initialize master info structure, more error messages can be found in the MySQL error log but still am getting this error. Note : My master server is having the version :4.0.20 One of my slave which is out of sync with master is having the version :4.0.18 Above problem is because of version problem ?. If version is the problem then how to make the slave with sync with master without changing the version. else if version differ is not the problem then how can i reslove this problem . please help me. Thanks Prakash Edited 1 time(s). Last edit at 07/26/2007 04:04AM by Prakash Nallusamy. Navigate:Previous Message•Next Message Options:Reply•Quote Subject Views Written By Posted Could not initialize master info structure, more error messages can be fou

log in tour help Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might mysql replication have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Database Administrators Questions Tags Users Badges Unanswered Ask Question _ Database Administrators Stack Exchange is a question and answer site for database professionals who wish to http://forums.mysql.com/read.php?26,163227,163227 improve their database skills and learn from others in the community. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Slave settings not working up vote 1 down vote favorite I have this http://dba.stackexchange.com/questions/16321/slave-settings-not-working machine as slave. Below is the command I ran and stuck. I done the change on the config file and set the id=2 too. Anything else I am missing here? slave start; ERROR 1201 (HY000): Could not initialize master info structure; more error messages can be found in the MySQL error log mysql> change master to MASTER_HOST='192.168.1.15', MASTER_USER='replication1', MASTER_PASSWORD='*******',MASTER_LOG_FILE='mysql-bin.000001'; ERROR 1201 (HY000): Could not initialize master info structure; more error messages can be found in the MySQL error log ? Below is the results of show master status\G *************************** 1. row *************************** File: mysql-bin.000001 Position: 98 Binlog_Do_DB: fms,sms Binlog_Ignore_DB: 1 row in set (0.00 sec) show slave status\G *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.1.15 Master_User: replication1 Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000001 Read_Master_Log_Pos: 98 Relay_Log_File: mysqld-relay-bin.000002 Relay_Log_Pos: 243 Relay_Master_Log_File: mysql-bin.000001 Slave_IO_Running: Yes Slave_SQL_Running: Yes Replicate_Do_DB: fms 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: 399 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master

created relay files in /var/run/mysqld/ which filled up the whole of the partition and caused errors in the http://perplexed.co.uk/301_restoring_a_broken_slave.htm logs. To repair the problem i ran {{{RESET MASTER}}} on the master db server and removed the relay files from the slave. This didn't have the http://blog.alwayshere.info/2012/10/mysql-replication-error-1201-hy000.html desired affect. >Start slave; "Error reading slave log configuration" I then banged my head against the wall. A blog documented a similar problem whereby the files relay log master.info and relay-bin.info were both empty. And to delete them Gung-Ho I deleted the following sudo rm /var/lib/mysql/relay-log.info sudo rm /var/lib/mysql/master.info sudo rm /var/runmysqld/* Restarted slave and everything was back to normal.... apart from the data loss. See Mysqldump and restore slave from master using bash Handling other Errors Error "ERROR 1201 mysql error 1201 (HY000): Could not initialize master info structure; more error messages can be found in the MySQL error log" I opened the syslog where the message said >sudo less /var/log/syslog [ERROR] Failed to open the relay log '/var/run/mysqld/mysqld-relay-bin.000040' (relay_log_pos 202987) I opened up the relay-log.info file >sudo nano /var/lib/mysql/relay-log.info /var/run/mysqld/mysqld-relay-bin.000040 ... In the directory /var/run/mysqld/ and the mysql directory log file mysqld-relay-bin.index there were only three files mentioned, which did not include mysqld-relay-bin.000040. I deleted the the relay-log.info file sudo rm /var/lib/mysql/relay-log.info And restarted mysql slave successfully. Error: "Slave_IO_Running: No" I got this another day mysql> SHOW SLAVE STATUS\G ... Slave_IO_Running: No Slave_SQL_Running: Yes ... The log file defined in "my.cnf" err-log=/data/logs/mysqld/mysqld.log Looking in err-log=/data/logs/mysqld/mysqld.log contained the following lines. 080718 10:35:34 [Note] Slave I/O thread: connected to master 'replicateuser@1.2.3.4:3306', replication started in log 'db1-bin.000125' at position 920655371 080718 10:35:34 [ERROR] Error reading packet from server: log event entry exceeded max_allowed_packet; Increase max_allowed_packet on master (server_errno=1236) 080718 10:35:34 [ER

noticed is: mysql> CHANGE MASTER TO MASTER_HOST='127.0.0.1', MASTER_PORT=53306, MASTER_USER='username', MASTER_PASSWORD = 'password', MASTER_LOG_FILE='mysql-bin.000000', MASTER_LOG_POS=12345; ERROR 1201 (HY000): Could not initialize master info structure; more error messages can be found in the MySQL error log In the error log i didn't see anything, so after googling some time I found the solution: mysql> flush slave; Query OK, 0 rows affected (0.00 sec) mysql> reset slave; Query OK, 0 rows affected (0.00 sec) mysql> CHANGE MASTER TO MASTER_HOST='127.0.0.1', MASTER_PORT=53306, MASTER_USER='username', MASTER_PASSWORD = 'pass', MASTER_LOG_FILE='mysql-bin.000000', MASTER_LOG_POS=12345; Query OK, 0 rows affected (0.06 sec) Posted by Stefan at 14:58 Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest Labels: error 1201, error log, master, mysql, query, replication 2 comments: Wellington Torrejais da SilvaWednesday, August 27, 2014 4:20:00 PMThanks...ReplyDeleteRepliesStefanWednesday, August 27, 2014 4:31:00 PMWelcome.DeleteReplyAdd commentLoad more... Newer Post Older Post Home Subscribe to: Post Comments (Atom) Subscribe To Posts Atom Posts Comments Atom Comments Search Loading... Archive Sep (1) Aug (1) Dec (2) Nov (1) Oct (1) Apr (2) Mar (3) Feb (1) Jan (1) Nov (7) Oct (2) Jul (1) Jun (3) May (4) Apr (6) Feb (1) Nov (3) Oct (4) Sep (2) Jul (4) Feb (1) Jan (18) Picture Window template. Powered by Blogger.

 

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error hy at line p Software RAID in Ubuntu Karmic MySQL replication dies with ERROR HY Could not error reading master configuration initialize master info structure Posted by Admin bull Friday February error counting relay log space bull Category Linux On a fine happy morning I am greeted with an alert failed to open the relay log that slave is not running Running start slave yields this ERROR HY Could not initialize master info structure more error messages can be found in error hy could not initialize master info structure for the MySQL error log Enabling the log yielded nothing

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error mysql p replication on slave version has stopped Slave IO Running was marked as Yes but Slave SQL Running as No Simple stop start slave didn't help so further problem analysis was relay log write failure could not queue event from master needed It seemed that current slave's relay log was corrupted because testing log event entry exceeded max allowed packet with mysqlbinlog has printed out an error Therefore the solution was to discard current relay binlogs and to relay master log file point slave to the last master binlog position Here is complete output from show slave status

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error counting relay log space p didn't fix my problem What I encountered was that the relay-bin from my MySQL slave server has already been rotated' meaning deleted from the could not find target log during relay log initialization folder This happens when the slave has been disconnected from the master for quite failed to open the relay log a long time already and has not replicated anything A simple way to fix this is to flush the logs could not initialize master info structure but make sure the slave is stopped before using this command FLUSH LOGS Bring in

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error counting relay log space mysql p Community Podcasts MySQL com Downloads Documentation Section Menu MySQL Forums Replication Replication logs cleanup New Topic Advanced Search Replication logs could not find target log during relay log initialization cleanup Posted by Rupesh Date October PM The Failed To Open The Relay Log latest binary log no on my slave server mysql a was db -relay-bin to free up space could not initialize master info structure I deleted old logs from to But now when I try to start slave I get the following msg mysql start slave ERROR HY Could Not Find

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error failed to initialize the master info structure p by Harjit Lakhan on Thu Nov UTC ERROR ERROR Failed to open error reading master configuration the relay log ' var run mysqld mysqld-relay-bin ' relay log pos ERROR Could not error counting relay log space find target log during relay log initialization ERROR Failed to initialize the master failed to open the relay log info structure Due to the way in which the master and slaves where stoppedthe relay logs got out of sync hence replication would could not find target log during relay log initialization not restart Found the

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error initializing relay log position p Reporter Matthew Montgomery Email Updates Status Duplicate Impact on me None Category MySQL Server failed to open the relay log Replication Severity S Non-critical Version mysql- OS Linux Assigned to Luis Soares Triage Triaged could not find target log during relay log initialization D Medium View Add Comment Files Developer Edit Submission View Progress Log Contributions Jul Could Not Initialize Master Info Structure Matthew Montgomery Description CHANGE MASTER TO is not accepting relative path for relay log file without prefixed onto log file name Setting relay log host -relay-bin does not Mysql Purge Relay

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