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(9.10) | Software RAID in Ubuntu Karmic 9.10 > MySQL replication dies with ERROR 1201 (HY000): Could not error reading master configuration initialize master info structure Posted by Admin • Friday, February error counting relay log space 12. 2010 • 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 1201 (HY000): Could not initialize master info structure; more error messages can be found in error 1201 (hy000) could not initialize master info structure for '' the MySQL error log Enabling the log yielded nothing. Googling yielded This Page that helped me a lot, but I didn't have to do quite as much work all over again. Here is what I did. First, I saved my "SHOW SLAVE STATUS\G" output: ************************** 1. row ************************** Slave_IO_State: Master_Host: 127.0.0.1 Master_User: replication

Could Not Find Target Log During Relay Log Initialization

Master_Port: 3307 Connect_Retry: 60 Master_Log_File: mysqld-bin.000401 Read_Master_Log_Pos: 98 Relay_Log_File: mysqld-relay-bin.006135 Relay_Log_Pos: 242 Relay_Master_Log_File: mysqld-bin.000401 Slave_IO_Running: No Slave_SQL_Running: No 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: 98 Relay_Log_Space: 0 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) Next I followed instructions from the blog I mentioned above: STOP SLAVE; RESET SLAVE; Instead of fully reconfiguring I simply tried to start slave. This is a bad idea because it seems to just try to start slaving off the front of the first binlog file it finds, getting conflicts (or worse). So I tried something simple: mysql> CHANGE MASTER TO MASTER_LOG_POS=98 , MASTER_LOG_FILE = 'mysqld-bin.000401'; Query OK, 0 rows affected (0.04 sec) mysql> start slave; Query OK, 0 rows affected (0.00 sec) The position comes from the output I saved before It's working fine again. Still don't know what caused this - possi

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the workings and policies of this site About Us Learn more about got fatal error 1236 from master when reading data from binary log: Stack Overflow the company Business Learn more about hiring developers or posting ads with us Database Administrators Questions change master to Tags Users Badges Unanswered Ask Question _ Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from http://tech.akom.net/archives/50-MySQL-replication-dies-with-ERROR-1201-HY000-Could-not-initialize-master-info-structure.html 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 machine as slave. Below is the command I ran and http://dba.stackexchange.com/questions/16321/slave-settings-not-working 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_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 0 Last_SQL_Error: 1 row in set (0.00 sec) mysql rep

Elkin Email Updates: Status: Can't repeat Impact on me: None Category:MySQL Server: Replication Severity:S3 (Non-critical) Version:5.1+ https://bugs.mysql.com/bug.php?id=44181 OS:Any Assigned to: Daogang Qu Tags: RESET SLAVE Triage: Triaged: http://blog.alwayshere.info/2012/10/mysql-replication-error-1201-hy000.html D2 (Serious) View Add Comment Files Developer Edit Submission View Progress Log Contributions [9 Apr 2009 8:33] Andrei Elkin Description: CHANGE MASTER can't make it if before RESET SLAVE failed at purging relay log files (see Bug #44179). ERROR 1201 (HY000): Could relay log not initialize master info structure or ERROR 29 (HY000): File './slave-relay-bin.000001' not found (Errcode:2) persist even if RESET SLAVE and restart the slave server are attempted. There seems to be only manual removing of obsolate slave info files can help. How to repeat: mysql> RESET SLAVE /* and simulate an error inside error 1201 hy000 my_delete_allow_opened() -> my_delete() as bug#44179 instucts */; There might be a crash as bug#44179 reported. At restart: mysql> change master to master_host='dummy'; ERROR 1201 (HY000): Could not initialize master info structure; more error messages can be found in the MySQL error log mysql> reset slave; Query OK, 0 rows affected (5.07 sec) or restart, and again mysql> change master to master_host='dummy'; ERROR 29 (HY000): File './slave-relay-bin.000001' not found (Errcode: 2) [22 Aug 2009 10:45] Daogang Qu The problem can't be reproduced. Please review the following test: daogangq@daogangq-laptop:~/mysql/bzrwork/bug44181/mysql-5.1-bugteam/mysql-test$ ./mtr --start rpl_view Logging: ./mtr --start rpl_view 090822 13:46:52 [Note] Plugin 'FEDERATED' is disabled. 090822 13:46:52 [Note] Plugin 'ndbcluster' is disabled. 090822 13:46:52 [Warning] Forcing shutdown of 2 plugins MySQL Version 5.1.39 Checking supported features... - using ndbcluster when necessary, mysqld supports it - SSL connections supported - binaries are debug compiled Collecting tests... - adding combinations for rpl vardir: /home/daogangq/mysql/bzrwork/bug44181/mysql-5.1-bugteam/mysql-test/var Checking leftover processes... - found old pi

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 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 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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