>>> Paolo Bonzini <pbonz...@redhat.com> 2/16/2017 4:39 下午 >>> > > >On 16/02/2017 08:16, Lin Ma wrote: >>> What are the benefits of having FC access from the guest? >> >> Actually, I havn't dug it too much, Just thought that from virtualization's >> perspective, when interact with FC storage, having complete FC access >> from the guest is the way it should use. > >How much of this requires a completely new spec? Could we get enough of >the benefit (e.g. the ability to issue rescans or LIPs on the host) by >extending virtio-scsi?
I understand, It needs too much stuff for building such an all new device. Furthermore, from performance's perspective, Extending virtio-scsi way doesn't involve in the fc fabric level, leave it to physical HBA to handle, may get better performance. Lin
