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Re: openvswitch loses flows

 

I don't know actually because they say it happens sometimes but they cannot
reproduce it right now. Maybe I have to wait a bit. I actually asked this
question because one could already experience the same issue.
Thanks anyway, I'l try to catch the bug in the future.


On Tue, Apr 15, 2014 at 11:35 AM, Andrey Korolyov <akorolev@xxxxxxxxxxxx>wrote:

> On 04/15/2014 10:29 PM, Andrey Grebennikov wrote:
> > Well... as far as I understand splinters absence may cause vlan issues
> > like when the traffic cannot flow accordingly, but there is nothing
> > about missing flows, isn't it?
> >
> Yep. You should investigate the issue a bit more, likely trying to
> communicate with VM on same host for locating the issue more precisely.
> There is nothing wrong for LS to lose flows, only lack of their
> reinstallation on demand looks bad. What will happen if you install same
> flow as you suppose as missing by hand on same local switch, will
> connectivity restore?
> >
> > On Tue, Apr 15, 2014 at 10:47 AM, Mike Scherbakov
> > <mscherbakov@xxxxxxxxxxxx <mailto:mscherbakov@xxxxxxxxxxxx>> wrote:
> >
> >     Hi Andrey,
> >     you perhaps need vlan splinters feature backported.
> >     See https://lists.launchpad.net/fuel-dev/msg00233.html for details.
> >
> >
> >     On Tue, Apr 15, 2014 at 9:43 PM, Andrey Grebennikov
> >     <agrebennikov@xxxxxxxxxxxx <mailto:agrebennikov@xxxxxxxxxxxx>>
> wrote:
> >
> >         Hi all,
> >         Not I'm working with the customer who has several OpenStack
> >         clouds, some being built on Grizzly, one Folsom and they start
> >         playing with Havana.
> >         They sometimes experience the issue with openvswitch on the
> >         compute nodes when they unexpectedly loses static flows (some of
> >         them, not all), so the VM cannot connect to the network anymore.
> >         They restart the OVS agent on the node, then restart the VM,
> >         after that everything works fine.
> >         Could anyone suggest what can be the cause of the issue?
> >
> >         Thanks in advance
> >
> >         --
> >         Andrey Grebennikov
> >         Deployment Engineer
> >         Mirantis Inc, Mountain View, CA
> >
> >         --
> >         Mailing list: https://launchpad.net/~fuel-dev
> >         Post to     : fuel-dev@xxxxxxxxxxxxxxxxxxx
> >         <mailto:fuel-dev@xxxxxxxxxxxxxxxxxxx>
> >         Unsubscribe : https://launchpad.net/~fuel-dev
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> >
> >
> >
> >
> >     --
> >     Mike Scherbakov
> >     #mihgen
> >
> >
> >
> >
> > --
> > Andrey Grebennikov
> > Deployment Engineer
> > Mirantis Inc, Mountain View, CA
> >
> >
>
>


-- 
Andrey Grebennikov
Deployment Engineer
Mirantis Inc, Mountain View, CA

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