Importing an existing Ceph RBD image into Glance

Posted on Fri 17 February 2017 in hints-and-kinks • Tagged with Ceph, OpenStack • 3 min read

As an OpenStack/Ceph operator, you may sometimes want to forgo uploading a new image using the Glance API, because the process can be inefficient and time-consuming. Here’s a faster way.


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Replacing the built-in Open edX forum with a suitable alternative

Posted on Thu 02 February 2017 in hints-and-kinks • Tagged with Open edX • 3 min read

Open edX comes with a built-in discussion forum service. Many Open edX users find this service less than optimal: it is the only edX service to require Ruby, it depends on a Ruby version that is outdated and no longer receives security updates (although a fix for that is on …


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The Dos and Don'ts for Ceph for OpenStack

Posted on Mon 28 November 2016 in hints-and-kinks • Tagged with OpenStack, Ceph • 9 min read

Ceph and OpenStack are an extremely useful and highly popular combination. Still, new Ceph/OpenStack deployments frequently come with easily avoided shortcomings — we’ll help you fix them!


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High Availability and Disaster Recovery in OpenStack

Posted on Mon 07 November 2016 in presentations • Tagged with OpenStack, High Availability • 1 min read

From the 2016 International Industry-Academia Workshop on Cloud Reliability and Resilience in Berlin. An OpenStack primer followed by a closer focus on OpenStack’s HA & DR feature set.

About 35 minutes.


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Heat and its Alternatives: Application Deployment in OpenStack

Posted on Thu 27 October 2016 in presentations • Tagged with OpenStack, Heat, Ansible, Juju, Cloudify • 1 min read

From the 2016 OpenStack Summit in Barcelona. A comparison of tools for virtual systems orchestration in OpenStack.


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