On Wed, May 13, 2015 at 10:19 AM, Russell Bryant <rbry...@redhat.com> wrote:
> On 05/13/2015 11:57 AM, Justin Pettit wrote:
>>
>>> On May 13, 2015, at 6:48 AM, Russell Bryant <rbry...@redhat.com> wrote:
>>>
>>> There's some documentation for testing it with DevStack here:
>>>
>>> http://networking-ovn.readthedocs.org/en/latest/testing.html
>>>
>>> I also have a bunch of patches up for review to make multi-node devstack
>>> work with OVN.  It's currently blocked by an OVN bug, though.  I'm sure
>>> we'll have it sorted out this week, though.  That page will include the
>>> multi-node test instructions once it's all merged.
>>
>> Hi, Russell.  Have you sent out anything about this OVN bug?  Ben and
>> I have been traveling the last couple of weeks, so I just want to
>> make sure that we didn't miss something.  Let me know if there's
>> anything we can do.
>
> Not yet.  I had been working on my multi-node setup and just this week
> got far enough where I think it should be working.  I'm having trouble
> talking between hypervisors, though.  At the end of the day yesterday,
> Gurucharan Shetty said that he now has the same problem with the latest
> code in the ovn branch.  I was hoping to better understand what was
> going on today so that I could either come up with a patch or a more
> intelligent bug report.  :-)
>

The problem at the looks of it is that when you have more than one VM
in each hypervisor, the broadcast flow generated in table17 by
ovn-controller misses broadcasting to one VM (if you just have one VM
each, you can ping). The pipeline table in OVN_SB looks to have the
correct entry (unless I am misreading it), but it does not get
converted into openflow flows by ovn-controller properly.


> --
> Russell Bryant
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