Tuesday Feb 03, 2009

More information about running MySQL on Open HA Cluster / Solaris Cluster

MySQL & Open HA Cluster
A while ago we published an interview with Detlef Ulherr and Thorsten Früauf about Solaris Cluster / OpenHA Cluster on the MySQL Developer Zone.

We received a number of followup questions from our readers, requesting more technical background information. For example, Mark Callaghan was wondering about the following:

  • How is failure detection done?
  • How is promotion of a slave to the master done after failure detection?
  • How are other slaves failed to the new master?

I asked Detlef to elaborate some more on the technical details of this solution. Here's his very exhaustive reply, thank you very much, Detlef!

I would also like to point out that he'll be speaking about Solutions for High Availability and Disaster Recovery with MySQL at this year's MySQL Conference & Expo in Santa Clara, which will take place on April 20-23, 2009.

But now without further ado, here are Detlef's answers:

[Read More]
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