>> how do we install virtio drivers if its missing? How do I verify it on the centos cloud image if its there? >Unless it’s a very very ancient unsupported version of centos the virt-io drivers will be in the kernel package. >Do a lsmod and look for virtio to check if it is loaded. Forgot to mention: I do not think this will have anything to do with the upload speed to cinder even if it is not there. Cheers, Robert van Leeuwen -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-operators/attachments/20170802/2c425958/attachment.html>