Docker 1.8 was just released a week ago and with it came the support for volume plugin. Several volume plugins are available but today I will be introducing the Ceph RBD ones (yes there are currently …
Read more →Using SSD drives in some part of your cluster might useful. Specially under read oriented workloads. Ceph has a mechanism called primary affinity, which allows you to put a higher affinity on your …
Read more →Yet again and for the second time this year, it is time to vote for summit presentations :). Self promotion ahead :). As always, Josh and I will present the newest addition of Liberty for Ceph in …
Read more →The title is probably weird and misleading but I could not find better than this :). The idea here is to dive a little bit into what the kernel client sees for each client that has a RBD device …
Read more →The Hammer release brought the support of a new feature for RBD images called object map. The object map tracks which blocks of the image are actually allocated and where. This is especially useful …
Read more →It is crucial to know how to build Kubernetes from source if you want to implement new features.
Read more →Use RBD device to provide persistent storage to your containers. This work was initiated by a colleague of mine Huamin Chen. I would like to take the opportunity to thank him for the troubleshooting …
Read more →People have been having trouble to map a RBD device in a container. Quick tip on how to map a Rados Block Device into a container.
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