Re: [Openstack-operators] [neutron] Packet loss with DVR and IPv6

2016-06-27 Thread Tomas Vondra
Tomas Vondra writes: > The setup has 3 network nodes and 1 compute node currently hosting a virtual > network (GRE based). DVR is enabled. I have just added IPv6 to this network > and to the external network (VLAN based). The virtual network is set to SLAAC. > > However, the li

[Openstack-operators] [neutron] Packet loss with DVR and IPv6

2016-06-21 Thread Tomas Vondra
Dear list, I've stumbled upon a weird condition in Neutron and couldn't find a bug filed for it. So even if it is happening with the Kilo release, it could still be relevant. The setup has 3 network nodes and 1 compute node currently hosting a virtual network (GRE based). DVR is enabled. I have ju

Re: [Openstack-operators] Problem in using ide disk_type and virtio network interface

2016-05-31 Thread Tomas Vondra
shiva m writes: > > Hi, > I have an image with /dev/sda partitions (IDE disk type) and virtio network interfaces. I loaded my image on Openstack  with followign command. > > glance image-create --name --disk-format qcow2 --container-format bare --property hw_disk_bus=ide --property hw_vif_mode

Re: [Openstack-operators] How are folks providing GPU instance types?

2016-05-10 Thread Tomas Vondra
Nordquist, Peter L writes: > You will also have to enable iommu on your hypervisors to have libvirt expose the capability to Nova for PCI > passthrough. I use Centos 7 and had to set 'iommu=pt intel_iommu=on' for my kernel parameters. Along with > this, you'll have to start using EFI for your V

Re: [Openstack-operators] Compute node with different subnet

2016-02-25 Thread Tomas Vondra
Ram Kumar writes: > > > We have three compute nodes with different subnets on the same vlan. When we create instance, we are getting an ip from first subnet but running on second node which is different subnet and can't ping gateway or traffic is not going out from that instance because node is

Re: [Openstack-operators] New networking solution for Cloud Native apps....

2016-02-05 Thread Tomas Vondra
Clint Byrum writes: > > I also think you should share this on openstack-dev, as the developers > may also be aware of other efforts that may conflict with or complement > Romana. Your mission seems to be very close to that of Project Calico. ___ Ope

Re: [Openstack-operators] DVR and public IP consumption

2016-02-04 Thread Tomas Vondra
Carl Baldwin writes: > You're right, the IP in the fip namespace doesn't ever get written in > to any packets or used as an arp destination. It is currently > meaningless. That will change with BGP's capability to routed DVR > traffic in Mitaka because that IP will be used as a next hop. > Howe

Re: [Openstack-operators] New networking solution for Cloud Native apps....

2016-02-03 Thread Tomas Vondra
Chris Marino writes: > > > Hello everyone, just wanted to let you know that today we opened up the repos for the new open source networking project we’ve been working on. It’s called Romana and the project site is romana.io. > Thought you would be interested because it enables multi-tenant net

Re: [Openstack-operators] DVR and public IP consumption

2016-01-29 Thread Tomas Vondra
Fox, Kevin M writes: > > Hi Tomas, > > The using external addresses per tenant router is a feature to a lot of sites, like ours. We want to know for > sure, at minimum, which tenant was responsible for bad activity on the external network. Having the > external address tied to a tenant router a

Re: [Openstack-operators] DVR and public IP consumption

2016-01-28 Thread Tomas Vondra
but you only burn 3 External addresses > for the router (and 3 internal network addresses per tenant side interface if that matters). > > Hope that clarifies a bit, > Robert > > > On Tue, Jan 26, 2016 at 4:14 AM, Carl Baldwin > ecbaldwin.net> wrote: > On Thu, Jan

[Openstack-operators] DVR and public IP consumption

2016-01-14 Thread Tomas Vondra
Hi! I have just deployed an OpenStack Kilo installation with DVR and expected that it will consume one Public IP per network node as per http://assafmuller.com/2015/04/15/distributed-virtual-routing-floating-ips/, but it still eats one per virtual Router. What is the correct behavior? Otherwise, it