More Reliable, More Resilient, More Redundant

Another update on OpenStack's progress in high availability, for the Grizzly and Havana releases. Presented at the OpenStack Summit in Portland, on April 17, 2013.

I give an overview of infrastructure, compute and networking high availability development in the April 2013 OpenStack Grizzly release, and an outlook for OpenStack Havana …

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High Availability Update (Grizzly and Havana)

Another update on OpenStack's progress in high availability, for the Grizzly and Havana releases. Presented at the Swiss OpenStack User Group meetup in Zurich, on February 19, 2013.

I give an overview of infrastructure, compute and networking high availability development in the run-up to the Grizzly feature freeze.

Use the …

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MySQL High Availability Deep Dive

This is a tutorial that Yves Trudeau and I presented at the Percona Live UK 2012 conference in London. It covers Pacemaker integration with DRBD, MySQL Replication, and Galera.


This article originally appeared on the hastexo.com website (now defunct).

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GlusterFS in High Availability Clusters

My Pacemaker presentation from the GlusterFS Workshop at LinuxCon Europe 2012. Presented in Barcelona in November of 2012, this is a overview of integrating GlusterFS with the Pacemaker cluster stack.

This tutorial gives an overview of

  • The Pacemaker stack,
  • Using GlusterFS for Pacemaker storage,
  • Managing GlusterFS volumes from Pacemaker.

My …

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Hands-On With Ceph

My Ceph tutorial from LinuxCon Europe 2012. Presented in Barcelona in November of 2012, this is a dense summary of the features of the Ceph distributed storage stack.

This tutorial gives an overview of

  • Native RADOS object storage,
  • The RBD block device,
  • ReSTful object storage with radosgw,
  • the Ceph distributed …
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