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Error Reading Master Configuration Mysql Replication

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Error 1201 Hy000 Could Not Initialize Master Info Structure

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 error counting relay log space wish to 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 Disable MySQL replication up vote 1 down vote favorite I'm failed to open the relay log running following: # cat /etc/redhat-release Red Hat Enterprise Linux Server release 6.6 (Santiago) # uname -a Linux X 2.6.32-504.3.3.el6.x86_64 #1 SMP Fri Dec 12 16:05:43 EST 2014 x86_64 x86_64 x86_64 GNU/Linux # rpm -q mysql-server mysql-server-5.1.73-3.el6_5.x86_64 # I issued STOP SLAVE; and deleted master.info and now /var/log/mysqld-error.log is producing following: [ERROR] Error reading master configuration [ERROR] Failed to initialize the master info structure What's the proper way to disable MySQL replication? mysql replication share|improve this question asked Feb 11 '15 at 15:49 alexus 16511 add a comment| 2 Answers 2 active oldest votes up vote 1 down vote accepted After you ran RESET SLAVE; make sure there is no slave status. Run this SHOW SLAVE STATUS\G If there is any information still being presented, you need to run this CHANGE MASTER TO master_host = ''; Then, go run SHOW SLAVE STATUS\G You should get nothing and master.info should be gone. From the MySQL 5.1 Documentation If any startup options for setting connection

created relay files in /var/run/mysqld/ which filled up the whole of the partition and caused errors

Could Not Find Target Log During Relay Log Initialization

in the logs. To repair the problem i ran {{{RESET MASTER}}} failed to open the relay log 'first' (relay_log_pos 4) on the master db server and removed the relay files from the slave. This didn't

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have the desired affect. >Start slave; "Error reading slave log configuration" I then banged my head against the wall. A blog documented a similar problem whereby http://dba.stackexchange.com/questions/91706/disable-mysql-replication the files 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 http://perplexed.co.uk/301_restoring_a_broken_slave.htm Errors Error "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_

Community Podcasts MySQL.com Downloads Documentation Section Menu: MySQL Forums :: Replication :: [ERROR] Failed to initialize the master info structure New Topic Advanced Search [ERROR] Failed to initialize the master info structure Posted by: Gilles GAUDIN () Date: May 10, http://forums.mysql.com/read.php?26,366829 2010 03:04AM Hi ! I have a problem with my replication environment. I have http://www.vologda.ru/~slivin/doc/apcupsd/3.10.x-manual/ch11s03.html 1 master and 3 slaves. Every sunday, I restart the master mysql daemon to rotate log files (mysqld.log and slow log), I use a script for this who move log files, create new log files, chown them and then restart mysqld. On the 3 slaves there is mk-slave-restart from maatkit tool, so when the master restart, mk-slave-restart skip error relay log on slaves. On two slaves there is no problem but on the third replication stop and I can see this error in the log file: [ERROR] Error reading master configuration [ERROR] Failed to initialize the master info structure I have to reset this slave and 'change master to' with info that are displayed into master.info and then restart the slave. Replication is ok after that. My questions are: Why slave can't continue his error reading master replication ? why this error is not present on others slaves ? Is there a way to solve this problem ? Thanks in advance for support. Navigate:Previous Message•Next Message Options:Reply•Quote Subject Views Written By Posted [ERROR] Failed to initialize the master info structure 6716 Gilles GAUDIN 05/10/2010 03:04AM Re: [ERROR] Failed to initialize the master info structure 2868 Rick James 05/11/2010 07:27AM Re: [ERROR] Failed to initialize the master info structure 2453 Gilles GAUDIN 05/11/2010 07:47AM Re: [ERROR] Failed to initialize the master info structure 2128 Rick James 05/11/2010 08:36AM Sorry, you can't reply to this topic. It has been closed. powered by phorum Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party. Contact Sales USA: +1-866-221-0634 Canada: +1-866-221-0634 Germany: +49 89 143 01280 France: +33 1 57 60 83 57 Italy: +39 02 249 59 120 UK: +44 207 553 8447 Japan: 0120-065556 China: 10800-811-0823 India: 0008001005870 More Countries» Contact Us Online» Products MySQL Enterprise Edition MySQL Standard Edition MySQL Classic Edition MySQL Cluster CGE MySQL Embedded (OEM/ISV) Services Training Certification Consulting Support Downloads MySQL Community Server MySQL Cluster MySQL Fabric MySQL Utilities MySQL Workbench About MySQL Contact Us How

master and slave communicate via the network. In many configurations, apcupsd is started before the network is initialized. In this case, it is possible that the master will be unable to contact the slave. On apcupsd versions prior to 3.8.0, this could cause apcupsd to error off. The solution to this problem is to either force apcupsd to be started after the network and the DNS (fiddle the symbolic links in /etc/rc.d), or put the names of the slave machines in your /etc/hosts file, or even more preferable, use IP addresses rather than machine names. On some configurations, you may need to use fully qualified names (host.domain.xxx) rather than simple host names.Error Messages from a Master ConfigurationIn a master/slave configuration, you can get the following error messages from a master. The error message is followed by a possible explanation:Cannot resolve slave name XXXTo contact the slave, the slave name given in the configuration file must be resolved to an IP address. In this case, apcupsd could not get the IP address. Either the slave name is incorrect, your DNS may not be working, or you have started apcupsd during the boot process before the network is operational.Got slave shutdown from SSSThis message should not be printed as it is not yet used.Cannot write to slave SSSThis message occurs when the master attempts to send a message to the slave SSS and gets an error. It indicates that either the slave machine is not responding (apcupsd died, the system crashed, ...) or that the network is down.Cannot read magic from slave SSSThis message indicates that the master attempted to read the code key from the slave SSS and it did not match the value expected. A common cause of this problem is that the master and slave versions of apcupsd are not the same. Please be sure you are running the same version of apcupsd on all your master and slave machines.Connect to slave SSS failedThis message is logged when the master attempts to connect to slave SSS and no connection is accepted. The most common cause of this problem is that the slave copy of apcuspd is not yet ready to accept connections or is not running. Generally, apcupsd will retry the connection a bit later. If the problem is persistent, it can indicate a network problem or the slave name on the SLAVE directive of the master's configuration file is incorrect.Cannot open stream socketThis indicates a fundamental networking problem on you

 

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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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