On my (ex-)maintainership of the DRBD User's Guide

Posted on Tue 20 March 2012 in blog • Tagged with DRBD

Here's a quick summary of my past and current relationship with the DRBD User's Guide.

As you probably know, I created the original DRBD User's Guide several years back, and I maintained it throughout my time at Linbit. When I left last year, it was originally mutually understood (or so …


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Storage Replication in High-Performance High-Availability Environments

Posted on Mon 19 March 2012 in presentations • Tagged with DRBD, Flashcache, Pacemaker, Performance

At linux.conf.au 2012, Florian I this presentation on the integration of DRBD, Flashcache and Pacemaker in the High Availability and Distributed Storage miniconf.

In this 30-minute presentation, I explore the benefits of Flashcache for replicated storage. Flashcache, originally developed at Facebook, is a general purpose, block level cache …


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Roll Your Own Cloud

Posted on Mon 19 March 2012 in presentations • Tagged with DRBD, KVM, libvirt, Pacemaker

Tim Serong and I explore the capabilities of KVM, iSCSI, DRBD and Pacemaker to create a fully open-source enterprise cloud.

Shot at linux.conf.au 2011 in Brisbane, this is me babbling, and Tim live-cartooning to the delight of the audience.


This article originally appeared on the hastexo …


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Solve a DRBD split-brain in 4 steps

Posted on Tue 06 March 2012 in hints-and-kinks • Tagged with DRBD

Whenever a DRBD setup runs into a situation where the replication network is disconnected and fencing policy is set to dont-care (default), there is the potential risk of a split-brain. Even with resource level fencing or STONITH setup, there are corner cases that will end up in a split-brain.

When …


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