Re: [openstack-dev] [nova][neutron][SR-IOV] Hardware changes and shifting PCI addresses

2015-09-15 Thread Chris Friesen
On 09/15/2015 02:25 AM, Daniel P. Berrange wrote: Taking a host offline for maintenance, should be considered equivalent to throwing away the existing host and deploying a new host. There should be zero state carry-over from OpenStack POV, since both the software and hardware changes can potenti

Re: [openstack-dev] [nova][neutron][SR-IOV] Hardware changes and shifting PCI addresses

2015-09-15 Thread Daniel P. Berrange
On Mon, Sep 14, 2015 at 09:34:31PM -0400, Jay Pipes wrote: > On 09/10/2015 05:23 PM, Brent Eagles wrote: > >Hi, > > > >I was recently informed of a situation that came up when an engineer > >added an SR-IOV nic to a compute node that was hosting some guests that > >had VFs attached. Unfortunately,

Re: [openstack-dev] [nova][neutron][SR-IOV] Hardware changes and shifting PCI addresses

2015-09-15 Thread Daniel P. Berrange
On Thu, Sep 10, 2015 at 06:53:06PM -0230, Brent Eagles wrote: > Hi, > > I was recently informed of a situation that came up when an engineer > added an SR-IOV nic to a compute node that was hosting some guests that > had VFs attached. Unfortunately, adding the card shuffled the PCI > addresses cau

Re: [openstack-dev] [nova][neutron][SR-IOV] Hardware changes and shifting PCI addresses

2015-09-14 Thread Jay Pipes
On 09/10/2015 05:23 PM, Brent Eagles wrote: Hi, I was recently informed of a situation that came up when an engineer added an SR-IOV nic to a compute node that was hosting some guests that had VFs attached. Unfortunately, adding the card shuffled the PCI addresses causing some degree of havoc. B

Re: [openstack-dev] [nova][neutron][SR-IOV] Hardware changes and shifting PCI addresses

2015-09-14 Thread Sean M. Collins
Brent is our Neutron-Nova liaison - can someone from the SR-IOV team please respond? -- Sean M. Collins __ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?s

[openstack-dev] [nova][neutron][SR-IOV] Hardware changes and shifting PCI addresses

2015-09-10 Thread Brent Eagles
Hi, I was recently informed of a situation that came up when an engineer added an SR-IOV nic to a compute node that was hosting some guests that had VFs attached. Unfortunately, adding the card shuffled the PCI addresses causing some degree of havoc. Basically, the PCI addresses associated with th