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Hi Jay!

Thank you! I'll definitely take a look at those cookbooks but, I already
tried Havana (Cloud Archive) with OVS 1.11.0, same poor results.

Also, my previous region based on Grizzly / Quantum / GRE, worked perfectly
for months (except with MTU = 1400) and, Havana is somehow different.

Thanks!
Thiago


On 10 November 2013 15:21, Jay Pipes <jaypipes at gmail.com> wrote:

> On 11/09/2013 07:09 PM, Martinx - ¥¸¥§©`¥à¥º wrote:
>
>> Guys,
>>
>> This problem is kind of a "deal breaker"... I was counting on OpenStack
>> Havana (and with Ubuntu) for my first public cloud that I'm (was) about
>> to announce / launch but, this problem changed everything.
>>
>> I can not put Havana with Ubuntu LTS into production because of this
>> network issue. This is a very serious problem for me... Since all sites,
>> or even ssh connections, that pass through the "Floating IPs" entering
>> into the tenant's subnets, are very slow and, all the connections
>> freezes for seconds, every minute.
>>
>> Again, I'm seeing that there is no way to put Havana into production
>> (using Per-Tenant Routers with Private Networks), _because the Network
>> Node is broken_. At least when with Ubuntu... I'll try it with Debian 7,
>>
>> or CentOS (I don't like it), just to see if the problem persist but, I
>> prefer Ubuntu distro since Warty Warthog...    :-/
>>
>> So, what is being done to fix it? I already tried everything I could,
>> without any kind of success...
>>
>> Also, I followed this doc (to triple * triple re-check my env):
>> http://docs.openstack.org/havana/install-guide/install/
>> apt/content/section_networking-routers-with-private-networks.html but,
>> it does not work as expected.
>>
>
> I'd just like to point out that it is indeed possible to achieve good
> network performance (bi-directional) with Ubuntu 12.04, OVS 1.11, and
> OpenStack Grizzly with Neutron and GRE tunnels. We've deployed two zones
> with it and after upgrading to OVS 1.11, we are seeing pretty good
> performance.
>
> We use the OpenStack Chef cookbooks to configure Neutron:
>
> https://github.com/stackforge/cookbook-openstack-network
>
> You may want to go through the above cookbook and check the default
> settings that are in the attributes and written to the configuration file
> templates.
>
> I don't know of anything that changed between Grizzly and Havana that
> would have had an impact on network performance, but perhaps someone from
> the Neutron dev community could chime in here and write if there's been
> anything added in the Havana timeframe that may affect network
> performance...
>
> Best,
> -jay
>
>
>
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