On 02/13/2018 09:32 AM, Vincent Godin wrote:
When creating a image, in metadata "libvirt Driver Options", it's just
possible set the "hw_scsi_model" to "virtio-scsi" but there is no way
to set the number of queues. As this is a big factor of io
improvement, why this option is still not available in openstack ?
Does someone made a patch for this ?


As far as I know this is not currently supported.

There was an old spec proposal to add more virtio-scsi tunables at https://review.openstack.org/#/c/103797/ but it seems it was abandoned due to objections. I didn't see anything newer.

Chris

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