GFS2 in Pacemaker (Debian/Ubuntu)

Posted on Sun 26 February 2012 in hints-and-kinks • Tagged with Pacemaker • 1 min read

Setting up GFS2 in Pacemaker requires configuring the Pacemaker DLM, the Pacemaker GFS control daemon, and a GFS2 filesystem itself.

Prerequisites

GFS2 with Pacemaker integration is supported on Debian (squeeze-backports and up) and Ubuntu (10.04 LTS and up). You’ll need the dlm-pcmk, gfs2-tools, and gfs-pcmk packages.

Fencing is …


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Interleaving in Pacemaker clones

Posted on Sun 26 February 2012 in hints-and-kinks • Tagged with Pacemaker • 2 min read

Ever wonder what meta interleave really means in a Pacemaker clone definition? We’ll explain.

The interleave meta attribute is only valid on Pacemaker clone definitions – and their extended version of sorts, master/slave sets. It’s not available on primitives and groups. Clones are often used in configurations involving …


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OCFS2 in Pacemaker (Debian/Ubuntu)

Posted on Fri 24 February 2012 in hints-and-kinks • Tagged with Pacemaker • 2 min read

Setting up OCFS2 in Pacemaker requires configuring the Pacemaker DLM, the O2CB lock manager for OCFS2, and an OCFS2 filesystem itself.

Prerequisites

  • OCFS2 with Pacemaker integration is supported on Debian (squeeze-backports and up) and Ubuntu (10.04 LTS and up). You’ll need the dlm-pcmk, ocfs2-tools, ocfs2-tools-pacemaker and openais packages …


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Fencing and Maintaining Sanity in High-Availability Clusters

Posted on Tue 01 November 2011 in presentations • Tagged with Conference • 1 min read

A 45-minute talk I co-presented with Madison Kelly at Linuxcon Europe 2011 in Prague. We explain the purpose of fencing, options for implementing fencing, and common pitfalls.

This presentation rounded out a series of high-availability talks at Linuxcon Europe 2011, the first Linuxcon event hosted by the Linux Foundation in …


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MySQL High Availability Sprint: Launch the Pacemaker!

Posted on Tue 01 November 2011 in presentations • Tagged with Conference, MySQL, Pacemaker • 1 min read

This is a very dense tutorial given at Percona Live UK 2011 in London, England. In three hours, I covered the MySQL HA Stack with Pacemaker and DRBD, front to back.


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