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Multi Master and Slave MySQL servers
Posted by: Matt Walther
Date: March 15, 2010 10:06PM

Hello all,

I've put together two servers that have been configured for a master and slave relationship. My reason for doing so was to have a redundancy if part of the network went down, then not all would be lost and traffic could easily be redirected and stay functional.

However, I know that the slave only reads the binary log at her own pace, and I assume the master doesn't get updated if her slave is changed.

So would it be kosher to configure the master as a slave to the slave, and the slave as the master to the master, or would this cause an infinite redundancy?


One last thought: Since the master running now has been running for a while and has established a large number of databases, will the slave update all the databases on it's own, or only changes? And if that's so, do I just dump the databases to a file and upload them to the slave so that it's all there?

Thanks

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