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openstack

My Openstack clients stopped working

My Openstack CLI clients stopped working, this is how I fixed them

Upgrade Openstack from Juno to Kilo

Upgrade Openstack from Juno to Kilo

It's a process that strikes fear into the hearts of Sysadmins everywhere. This weekend I finally got round to upgrading the Openstack cluster in my lab to Kilo. As I have no spare machines lying around (Intel NUC/HP Microserver/similar donations welcome) I did it in place.

Did it …

Openstack Neutron Performance problems

Openstack Neutron Performance problems

For the last few weeks I have been consulting on a private cloud project for a local company. Unsurprisingly this has been based around the typical Openstack setup.

  • Nova - KVM
  • Neutron - Openvswitch
  • Cinder - LVM
  • Glance - local files

My architecture is nothing out of the ordinary. A pair of hosts each …