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OpenStack Cinder - Configure multiple backends

Following my first post of the series discussing how to scale OpenStack Cinder to multiple nodes, with this I want to approach the configuration and usage of the multibackend feature landed in Cinder with the Grizzly release.

This feature allows you to configure a single volume node for use with more than a single backend driver. You can find all about the few configuration bits needed also in the OpenStack block storage documentation. That makes …


ToDoist TIPS

I was recently on the look out for some web (and portable) ToDo management application. I tried many, as many are free.

At some point I was even forced to re-define my own needs as I got confused. There are indeed at least two different kinds of tracking applications. Some are like iDoneThis, which is a sort of reporting tool. Some are more like Don't Forget The Milk, which seems more a pure ToDo managing …


OpenStack Cinder - Add more volume nodes

With this being the first of a short series, I'd like to publish some articles intendend to cover the required steps to configure Cinder (OpenStack block storage service) in a mid/large deployment scenario. The idea is to discuss at least three topics: how to scale the service by adding more volume nodes; how to ensure high-availablity for the API and Scheduler sub-services; leverage the multi-backend feature landed in Grizzly.

I'm starting with this post …


Getting to know and use Emacs better

I know there are plenty of Emacs related blogs discussing every single trick (including the easter eggs) so this won't be another. I don't have the skills for that either but I got to know Emacs better recently and decided to share my (hopefully nicely) commented init.el file.

Why? Because it took me some time to find in the Emacs docs what I wanted. A readable, well commented config file would have helped so …


Deploy OpenStack Heat on RHEL (and derivates)

UPDATE (June 2013): this post has been published on the RDO site and is now maintained there.

Heat provides orchestration of composite cloud applications using the CloudFormation API and templates; it is an incubated project of OpenStack. Its development cycle is to be Integrated in Havana and follow the full OpenStack release process. I want to go trough the steps needed to install and configure it as the official documentation is still scarce on the …

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