[Openstack] Instances looses connectivity when rebooted

Vijaya Bhaskar vijayabhaskar at sparksupport.com
Thu Nov 6 08:58:44 UTC 2014


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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