Hi,
Lately I've been testing out the virtio-scsi libvirt driver for block
devices. While it seems to work well and does support unmap/discard, I'm
having problems when it comes to attaching additional cinder block
devices. Essentially, I'm able to provision VMs from block devices, with
the block device created at the same time as the VM. However, if I want
to add more than one block device, I run into the following error in
nova-compute:
libvirtError: internal error: unable to execute QEMU command
'__com.redhat_drive_add': Duplicate ID 'drive-scsi0-0-0-0' for drive
I'm using the latest version of RDO Newton. The metadata associated to
the images to enable virtio-scsi is as follow:
hw_disk_bus= scsi
hw_scsi_model= virtio-scsi
--
Jean-Philippe Méthot
Openstack system administrator
PlanetHoster inc.
www.planethoster.net
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