Hi Blair, Sorry for the late reply, could you elaborate more on the proxy driver idea ?
On Mon, May 21, 2018 at 4:05 PM, Blair Bethwaite <blair.bethwa...@gmail.com> wrote: > (Please excuse the top-posting) > > The other possibility is that the Cyborg managed devices are plumbed in > via IP in guest network space. Then "attach" isn't so much a Nova problem > as a Neutron one - probably similar to Manila. > > Has the Cyborg team considered a RESTful-API proxy driver, i.e., something > that wraps a vendor-specific accelerator service and makes it friendly to a > multi-tenant OpenStack cloud? Quantum co-processors might be a compelling > example which fit this model. > > Cheers, > > > On Sun., 20 May 2018, 23:28 Chris Friesen, <chris.frie...@windriver.com> > wrote: > >> On 05/19/2018 05:58 PM, Blair Bethwaite wrote: >> > G'day Jay, >> > >> > On 20 May 2018 at 08:37, Jay Pipes <jaypi...@gmail.com> wrote: >> >> If it's not the VM or baremetal machine that is using the accelerator, >> what >> >> is? >> > >> > It will be a VM or BM, but I don't think accelerators should be tied >> > to the life of a single instance if that isn't technically necessary >> > (i.e., they are hot-pluggable devices). I can see plenty of scope for >> > use-cases where Cyborg is managing devices that are accessible to >> > compute infrastructure via network/fabric (e.g. rCUDA or dedicated >> > PCIe fabric). And even in the simple pci passthrough case (vfio or >> > mdev) it isn't hard to imagine use-cases for workloads that only need >> > an accelerator sometimes. >> >> Currently nova only supports attach/detach of volumes and network >> interfaces. >> Is Cyborg looking to implement new Compute API operations to support hot >> attach/detach of various types of accelerators? >> >> Chris >> >> >> >> ____________________________________________________________ >> ______________ >> OpenStack Development Mailing List (not for usage questions) >> Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject: >> unsubscribe >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >> > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > -- Zhipeng (Howard) Huang Standard Engineer IT Standard & Patent/IT Product Line Huawei Technologies Co,. Ltd Email: huangzhip...@huawei.com Office: Huawei Industrial Base, Longgang, Shenzhen (Previous) Research Assistant Mobile Ad-Hoc Network Lab, Calit2 University of California, Irvine Email: zhipe...@uci.edu Office: Calit2 Building Room 2402 OpenStack, OPNFV, OpenDaylight, OpenCompute Aficionado
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