OpenStack survey 2013
Ceph 17% ! :D
Build a PaaS zone within your OpenStack cloud
OpenStack has seen a lot of PaaS oriented project coming for the last few months. Heat, the orchestration service was introduced during Grizzly, Havana just got the support of the Docker hypervisor and Trove the Database as a Service project is planned for Icehouse. More recently, Manila the Distributed Filesystem as a Service and Raksha the Data Protection As Service appeared.
So, want to bring OpenStack to the next level?
CoreOS, a good operating system for your OpenStack controllers
During this article, I am going to explain why I believe that CoreOS is an excellent operation system for your OpenStack controllers.
OpenStack Heat and Ceilometer got their dashboard panel
The Havana milestone release of the Horizon dashboard brought an absolutely wonderful panel for Heat, the orchestration service and Ceilometer, the metering service. Quick preview before the Havana’s official release.
OpenStack Havana flush token manually
It has always been a huge pain to manage token in MySQL espacially with PKI token since they are larger than UUID token. Almost a year ago I wrote an article to purge token via a script. So finally, we have an easy option to purge all expired token.
Openstack: unexplained high CPU load on compute nodes
Recently I encountered a weird issue: the CPU load of my hosts was quite high with a load average of 20 and picks to 40. First, I had a look at the guest system since the high load was generated by guests. Unfortunately the VM was not doing anything, no IOPS and no CPU.
OpenStack 3rd years retrospective
OpenStack: instance evacuation goes to host
With Grizzly came the instance evacuation but a quite recent addition to the code expended it to hosts.
OpenStack: perform a live migration using a specific NIC
Quick old tip (back from the cave) to trigger a live migration from a specific network card.
What I think about CephFS in OpenStack
I recently had some really interesting questions that led to some nice discussions. Since I received the same question twice, I thought it might be good to share the matter with the community.
The question was pretty simple and obvioulsy the context is about OpenStack: