I found the problem: my RabbitMQ cluster not work well after network
outage/partition.
I restart RabbitMQ cluster and everything ok now!

BR,


On Wed, Oct 16, 2013 at 4:41 PM, Chu Duc Minh <[email protected]> wrote:

> Hi, I'm using VLAN, not GRE.
> (However, I check firewall, it does not block anything)
>
>
> On Wed, Oct 16, 2013 at 4:32 PM, Robert Collins <[email protected]
> > wrote:
>
>> We saw a similar thing in TripleO on Fedora machines with GRE blocked
>> by host firewalls. You might check that GRE packets are permitted.
>>
>> -Rob
>>
>> On 16 October 2013 22:26, Chu Duc Minh <[email protected]> wrote:
>> > I use Quantum with VLAN and ip networknamespace.
>> > After update some packages, all cloud instances lost connectivity.
>> >
>> > I run "ovs-vsctl show" and "ovs-ofctl dump-flows br-int" on both
>> > quantum-node and compute-node to check.
>> > In Quantum node, everything is ok.
>> > root@quantum:/etc/init.d# ovs-ofctl dump-flows br-int
>> > NXST_FLOW reply (xid=0x4):
>> >  cookie=0x0, duration=3284.199s, table=0, n_packets=33404,
>> n_bytes=2134467,
>> > priority=2,in_port=156 actions=drop
>> >  cookie=0x0, duration=3199.3s, table=0, n_packets=1593, n_bytes=101952,
>> > priority=3,in_port=156,dl_vlan=101 actions=mod_vlan_vid:14,NORMAL
>> >  cookie=0x0, duration=3090.599s, table=0, n_packets=1539, n_bytes=98496,
>> > priority=3,in_port=156,dl_vlan=114 actions=mod_vlan_vid:23,NORMAL
>> >  cookie=0x0, duration=3125.8s, table=0, n_packets=4036, n_bytes=257248,
>> > priority=3,in_port=156,dl_vlan=4 actions=mod_vlan_vid:21,NORMAL
>> > v.v...
>> >
>> > But in compute node, all my flows disappear:
>> > root@compute-01:~# ovs-ofctl dump-flows br-int
>> > NXST_FLOW reply (xid=0x4):
>> >  cookie=0x0, duration=604.009s, table=0, n_packets=12897,
>> n_bytes=823626,
>> > priority=2,in_port=1 actions=drop
>> >  cookie=0x0, duration=604.591s, table=0, n_packets=0, n_bytes=0,
>> priority=1
>> > actions=NORMAL
>> >
>> > I restarted nova-compute, quantum-plugin-openvswitch-agent. Also reboot
>> > compute node.
>> > But nothing can help.
>> >
>> > I checked log and did not found any error.
>> > Do you know a quick fix for situation like that?
>> >
>> > Thank you very much!
>> >
>> >
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>>
>>
>>
>> --
>> Robert Collins <[email protected]>
>> Distinguished Technologist
>> HP Converged Cloud
>>
>
>
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