>I noticed QOS in general is not working. > Btw, I am using latest icehouse devstack and testing this on a mapped rbd device. Please, advise. There lies the problem, throttling is not working for ceph devices in Icehouse. ( images_type=rbd ) This is fixed in Juno but was never back-ported. The bug report is here: https://bugs.launchpad.net/nova/+bug/1362129 Cheers, Robert van Leeuwen -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20141201/e7318b4c/attachment.html>