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If your file my.cnf (usually in the /etc/mysql/ folder) is correctly configured with socket=/var/lib/mysql/mysql.sock you can check if mysql is running with the following command: mysqladmin -u root -p status try changing your permission to mysql folder. If you are working locally, you can try: sudo chmod -R 755 /var/lib/mysql/ Hope this helps!


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Your architecture is not right for asynchronous replication. I strongly recommend against runing a Master-Master standard replication in a fully automated system, as you will run into precisely the issue you are describing. While you may not be writing to both servers at the same time, the fact that you are replicating in a non-syncronous way means that you ...


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This is not a hack. It is the intention of them: Use auto_increment_increment and auto_increment_offset http://dev.mysql.com/doc/refman/5.6/en/replication-options-master.html#sysvar_auto_increment_increment


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"Diffs cannot be detected because no slaves were found." That means that you are using the tool incorrectly -a single run must be done so that it creates checksums that are eventually consistent for the master and the slave. Run pt-table-checksum only directed to the master, and create the appropriate permissions so that it can check the slave, too. ...



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