On 9 January 2014 22:50, Ian Wells <ijw.ubu...@cack.org.uk> wrote: > On 9 January 2014 20:19, Brian Schott <brian.sch...@nimbisservices.com>wrote: > On the flip side, vendor_id and product_id might not be sufficient. > Suppose I have two identical NICs, one for nova internal use and the > second for guest tenants? So, bus numbering may be required. > >> >> 01:00.0 VGA compatible controller: NVIDIA Corporation G71 [GeForce 7900 >> GTX] (rev a1) >> 02:00.0 VGA compatible controller: NVIDIA Corporation G71 [GeForce 7900 >> GTX] (rev a1) >> > > I totally concur on this - with network devices in particular the PCI path > is important because you don't accidentally want to grab the Openstack > control network device ;) >
Redundant statement is redundant. Sorry, yes, this has been a pet bugbear of mine. It applies equally to provider networks on the networking side of thing, and, where Neutron is not your network device manager for a PCI device, you may want several device groups bridged to different segments. Network devices are one case of a category of device where there's something about the device that you can't detect that means it's not necessarily interchangeable with its peers.
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