I have seen something like this before with nova-network and it was due to the number of requests the rpc call timeout gets hit for allocate_network. You might need to set your rpc_response_timeout to something greater. I think it defaults to 60 seconds.
Vish
On Jun 25, 2014, at 6:57 AM, tfre...@redhat.com wrote:
> Hello,
>
> During the tests of Multiple RPC, I've encountered a problem to create VMs.
> Creation of 180 VMs succeeded.
>
> But when I've tried to create 200 VMs, part of the VMs failed with resources
> problem of VCPU limitation, the other part failed with following error:
> vm failed - {"message": "Virtual Interface creation failed", "code": 500,
> "created": "2014-06-25T10:22:35Z"} | | flavor | nano (10)
>
> We can see from the Neutron server and Nova API logs, that Neutron got the
> Nova request and responded to it, but this connection fails somewhere between
> Nova API and Nova Compute.
>
> Please see the exact logs: http://pastebin.test.redhat.com/217653
>
>
> Tested with latest Icehouse version on RHEL 7.
> Controller + Compute Node
>
> All Nova and Neutron logs are attached.
>
> Is this a known issue?
> --
> Thanks,
> Toni
> <multiple_vm_neutron_log.tar.gz><multiple_vm_nova_log.tar.gz>_______________________________________________
> OpenStack-dev mailing list
> OpenStack-dev@lists.openstack.org
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