[Openstack] Directional network performance issues with Neutron + OpenvSwitch

James Page james.page at ubuntu.com
Tue Oct 22 14:24:12 UTC 2013


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Hi Martinx

On 21/10/13 23:52, Martinx - ジェームズ wrote:
> I'm using "Per-Tenant Routers with Private Networks", GRE tunnels
> and L3+DHCP Network Node.
> 
> The connectivity from behind my Instances is very slow. It takes
> an eternity to finish "apt-get update".
> 
> If I run "apt-get update" from within tenant's Namespace, it goes
> fine.
> 
> If I enable "ovs_use_veth", Metadata (and/or DHCP) stops working
> and I and unable to start new Ubuntu Instances and login into
> them... Look:
> 
> -- cloud-init start running: Tue, 22 Oct 2013 05:57:39 +0000. up
> 4.01 seconds 2013-10-22 06:01:42,989 - util.py[WARNING]: 
> 'http://169.254.169.254/2009-04-04/meta-data/instance-id' failed 
> [3/120s]: url error [[Errno 113] No route to host] 2013-10-22
> 06:01:45,988 - util.py[WARNING]: 
> 'http://169.254.169.254/2009-04-04/meta-data/instance-id' failed 
> [6/120s]: url error [[Errno 113] No route to host] --
> 
> Is this problem still around?!

Definatetly sounds similar; I'd ensure that all of the namespaces on
the gateways/data forwarding node are correct by giving it a reboot;

I think this needs a bug; Neutron should be OK without the use of veth
- - I'll get to that today.

Cheers

James

- -- 
James Page
Ubuntu and Debian Developer
james.page at ubuntu.com
jamespage at debian.org
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