Ceph: managing CRUSH with the CLI
Getting more familiar with the Ceph CLI with CRUSH.
Getting more familiar with the Ceph CLI with CRUSH.
Nice talk from Rohan Singh about the internal usage of Docker at Spotify.
Ceph admin API init script.
It has been an existing year and for this I would like to highlight some of the things that happened. I don’t usually write too much about myself, I actually never did anything like this here. I prefer to keep personal things away from my blog. However, I don’t exclusively want to consider my website as a pure technical blog. So I thought this new year’s post might be a good start.
The Havana cycle introduced a QoS feature on both Cinder and Nova. Quick tour of this excellent implementation.
RBD images are thin-provisionned thus you don’t always know the real size of the image. Moreover, Ceph doesn’t provide any simple facility to check the real size of an image. This blog post took his inspiration from the Ceph mailing list.
Quick How-to.
Some experiment with gigantic overprovisioned RBD images.
Some figures from a RADOS bench.
Date: 05/12/2013. Video: Slides: OpenStack in Action 4! Sebastien Han - Ceph: de facto storage backend for OpenStack from eNovance