[Openstack] Instances looses connectivity when rebooted
Vijaya Bhaskar
vijayabhaskar at sparksupport.com
Thu Nov 6 09:55:02 UTC 2014
I have configured neutron with vlan. Here is my
/etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini file:
root at network:~# grep -v '^#'
/etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini
[ovs]
tenant_network_type = vlan
network_vlan_ranges = physnet1:1:4094
bridge_mappings = physnet1:br-ex
[agent]
polling_interval = 2
[securitygroup]
firewall_driver =
neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
On Thu, Nov 6, 2014 at 3:13 PM, Adrián Norte <adrian at bashlines.com> wrote:
> don't you use tunneling between the 2 nodes? I don't see a tunel
> interface GRE or vLan either.
> El 06/11/14 a las 09:58, Vijaya Bhaskar escribió:
>
> Hi,
>
> The results of ovs-vsctl show:
>
> COMPUTE
> -------------------
>
> root at compute:~# ovs-vsctl show
> 57d53eee-0435-4f3e-ab28-300b28656e73
> Bridge br-data
> Port "eth0"
> Interface "eth0"
> Port phy-br-data
> Interface phy-br-data
> Port br-data
> Interface br-data
> type: internal
> Bridge br-int
> Port "qvo6851b7ae-8b"
> tag: 4095
> Interface "qvo6851b7ae-8b"
> Port "qvo92bd4f16-56"
> tag: 1
> Interface "qvo92bd4f16-56"
> Port "qvof2a6e964-49"
> tag: 1
> Interface "qvof2a6e964-49"
> Port "qvo8c9a6ba5-d5"
> tag: 1
> Interface "qvo8c9a6ba5-d5"
> Port "qvo3a255886-ff"
> tag: 4
> Interface "qvo3a255886-ff"
> Port "qvofede7066-73"
> tag: 5
> Interface "qvofede7066-73"
> Port int-br-data
> Interface int-br-data
> Port "qvo9c946ea3-0d"
> tag: 4095
> Interface "qvo9c946ea3-0d"
> Port "gw-c895e982-bb"
> tag: 4095
> Interface "gw-c895e982-bb"
> type: internal
> Port br-int
> Interface br-int
> type: internal
> Port "qvof202a386-af"
> tag: 2
> Interface "qvof202a386-af"
> Port "qvoaf8e83ed-1a"
> tag: 2
> Interface "qvoaf8e83ed-1a"
> Port "qvoa410c673-48"
> tag: 1
> Interface "qvoa410c673-48"
> Port "qvofb8c78ae-df"
> tag: 1
> Interface "qvofb8c78ae-df"
> ovs_version: "1.10.2"
>
>
> NEUTRON
> --------------------
>
> root at network:~# ovs-vsctl show
> 9dc49296-465d-4fb0-bb11-b659aa22b0ad
> Bridge br-ex
> Port "eth0"
> Interface "eth0"
> Port "qg-ccd9d006-0a"
> Interface "qg-ccd9d006-0a"
> type: internal
> Port br-ex
> Interface br-ex
> type: internal
> Port phy-br-ex
> Interface phy-br-ex
> Bridge br-int
> Port "tapa148eee3-43"
> tag: 2
> Interface "tapa148eee3-43"
> type: internal
> Port "qr-5050bba6-b9"
> tag: 1
> Interface "qr-5050bba6-b9"
> type: internal
> Port br-int
> Interface br-int
> type: internal
> Port int-br-ex
> Interface int-br-ex
> Port "tap2e6705ee-0d"
> tag: 4095
> Interface "tap2e6705ee-0d"
> type: internal
> Port "tap49848458-ee"
> tag: 4095
> Interface "tap49848458-ee"
> type: internal
> Port "tap37e9ebe0-23"
> tag: 4095
> Interface "tap37e9ebe0-23"
> type: internal
> Port "tap0651c44d-26"
> tag: 4095
> Interface "tap0651c44d-26"
> type: internal
> Port "tap73213215-ef"
> tag: 4095
> Interface "tap73213215-ef"
> type: internal
> Port "tapdadb4c42-98"
> tag: 4095
> Interface "tapdadb4c42-98"
> type: internal
> Port "tapc2bc31b4-e7"
> tag: 4095
> Interface "tapc2bc31b4-e7"
> type: internal
> Port "tap58621108-d9"
> tag: 1
> Interface "tap58621108-d9"
> type: internal
> Port "qr-382dd0df-25"
> tag: 2
> Interface "qr-382dd0df-25"
> type: internal
> ovs_version: "1.10.2"
>
>
>
>
> On Thu, Nov 6, 2014 at 1:16 PM, Adrián Norte <adrian at bashlines.com> wrote:
>
>> Can you execute "ovs-vsctl show" on both neutron and compute nodes and
>> paste the results?
>> El 06/11/14 a las 08:30, Vijaya Bhaskar escribió:
>>
>> Hi,
>>
>> I have searched all around and still cannot find a solution. Please help.
>>
>> On Fri, Oct 31, 2014 at 12:32 PM, Vijaya Bhaskar <
>> vijayabhaskar at sparksupport.com> wrote:
>>
>>> Hi,
>>>
>>> I am quite new to openstack and I have installed openstack havana in a
>>> 3 machine configuration - controller, compute and network nodes. When an
>>> instance is rebooted it looses connectivity on both floating ip and private
>>> ip. When a new instance is started all the old instances gain connectivity.
>>> I have found that restarting neutron-plugin-openvswitch-agent in the
>>> compute node fixes the problem and all the instances gain connectivity.
>>>
>>> I have followed this to install openstack on Ubuntu 12.04 machines:
>>> http://docs.openstack.org/havana/install-guide/install/apt/content/
>>>
>>> I have followed this link to create the network :
>>> http://docs.openstack.org/havana/install-guide/install/apt/content/demo_logical_network_config.html
>>>
>>> The neutron configuration files are attached.
>>>
>>> Please help
>>>
>>
>>
>>
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>>
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>
>
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