[one-users] vnet interfaces using open vswitch

Jaime Melis jmelis at opennebula.org
Mon Feb 11 06:11:08 PST 2013 

Hi Carlos,

did you figure out what was wrong? or is it still not working? if it
doesn't work, could you please open a bug report [1] so we can look into it?

[1] dev.opennebula.org

cheers,
Jaime


On Tue, Feb 5, 2013 at 12:41 PM, Carlos Jiménez <cjimenez at eneotecnologia.com
> wrote:

>  Hi Jaime,
>
> It is happening for all the interfaces and we are using the bridging
> compatibility layer, but what we have defined in the template as network
> mode is openvswitch, not default (bridge).
> This might be a case of use where the physical machines just power on.
>
>
> Regards,
>
> Carlos.
>
>
>
> On 02/05/2013 12:12 PM, Jaime Melis wrote:
>
> Hi,
>
>  the expected behaviour is for the vnet to go away after the VM shuts
> down (the hypervisor should run brctl delif ...). Is this happening only
> for a few interfaces or for all of them? are you using the bridging
> compatibility layer?
>
>  regards,
> Jaime
>
>
> On Tue, Feb 5, 2013 at 11:46 AM, Carlos Jiménez <
> cjimenez at eneotecnologia.com> wrote:
>
>>  Hi all,
>>
>> We're running OpenNebula 3.8.3 with Open vSwitch and we've found out an
>> issue. Once the frontend and the host are started, the VMs appear in
>> Pending state and move to Prolog and again back to Pending states.
>>
>> This is the output of oned.log:
>>
>> *Tue Feb  5 11:30:04 2013 [DiM][D]: Deploying VM 0
>> Tue Feb  5 11:30:04 2013 [ReM][D]: Req:5360 UID:0 VirtualMachineDeploy
>> result SUCCESS, 0
>> Tue Feb  5 11:30:07 2013 [TM][D]: Message received: LOG I 0 clone:
>> Cloning /var/lib/one/datastores/1/d76d1fd89f175e1027f8506978165c03 in
>> host1:/var/lib/one//datastores/0/0/disk.0
>> Tue Feb  5 11:30:07 2013 [TM][D]: Message received: LOG I 0 ExitCode: 0
>> Tue Feb  5 11:30:07 2013 [TM][D]: Message received: LOG I 0 ln: Linking
>> /var/lib/one/datastores/1/923331c1aeb5a587dd428d0b8607ff29 in
>> host1:/var/lib/one//datastores/0/0/disk.1
>> Tue Feb  5 11:30:07 2013 [TM][D]: Message received: LOG I 0 ExitCode: 0
>> Tue Feb  5 11:30:07 2013 [TM][D]: Message received: TRANSFER SUCCESS 0 -
>> Tue Feb  5 11:30:08 2013 [VMM][D]: Message received: LOG I 0 ExitCode: 0
>> Tue Feb  5 11:30:08 2013 [VMM][D]: Message received: LOG I 0 Successfully
>> execute network driver operation: pre.
>> Tue Feb  5 11:30:08 2013 [VMM][D]: Message received: LOG I 0 Command
>> execution fail: cat << EOT | /var/tmp/one/vmm/kvm/deploy
>> /var/lib/one//datastores/0/0/deployment.24 host1 0 host1
>> Tue Feb  5 11:30:08 2013 [VMM][D]: Message received: LOG I 0 error:
>> Failed to create domain from /var/lib/one//datastores/0/0/deployment.24
>> Tue Feb  5 11:30:08 2013 [VMM][D]: Message received: LOG I 0 error:
>> Unable to add bridge vbr1 port vnet0: Invalid argument
>> Tue Feb  5 11:30:08 2013 [VMM][D]: Message received: LOG E 0 Could not
>> create domain from /var/lib/one//datastores/0/0/deployment.24
>> Tue Feb  5 11:30:08 2013 [VMM][D]: Message received: LOG I 0 ExitCode: 255
>> Tue Feb  5 11:30:08 2013 [VMM][D]: Message received: LOG I 0 Failed to
>> execute virtualization driver operation: deploy.
>> Tue Feb  5 11:30:08 2013 [VMM][D]: Message received: DEPLOY FAILURE 0
>> Could not create domain from /var/lib/one//datastores/0/0/deployment.24*
>>
>> We've realised that one tries to create a vnetx but that vnet interface
>> is already into the Open vSwitch database, so it is unable to introduce
>> that interface and therefore to create the VM. This is the output of the
>> openvswitch:
>> *#ovs-vsctl show
>> 6725e67a-3af1-4fdf-9dfe-f606d09918a8
>>     Bridge "vbr1"
>>         Port "bond0"
>>             Interface "bond0"
>>         Port "vbr1"
>>             Interface "vbr1"
>>                 type: internal
>>     ovs_version: "1.4.3"*
>>
>> We've managed to solve it manually deleting those interfaces into the
>> open vswitch database and immeditely one has been able to create the VMs.
>> This is the output:
>>
>> *Tue Feb  5 11:31:37 2013 [TM][D]: Message received: LOG I 0 clone:
>> Cloning /var/lib/one/datastores/1/d76d1fd89f175e1027f8506978165c03 in
>> host1:/var/lib/one//datastores/0/0/disk.0
>> Tue Feb  5 11:31:37 2013 [TM][D]: Message received: LOG I 0 ExitCode: 0
>> Tue Feb  5 11:31:37 2013 [TM][D]: Message received: LOG I 0 ln: Linking
>> /var/lib/one/datastores/1/923331c1aeb5a587dd428d0b8607ff29 in
>> host1:/var/lib/one//datastores/0/0/disk.1
>> Tue Feb  5 11:31:37 2013 [TM][D]: Message received: LOG I 0 ExitCode: 0
>> Tue Feb  5 11:31:37 2013 [TM][D]: Message received: TRANSFER SUCCESS 0 -
>> Tue Feb  5 11:31:38 2013 [VMM][D]: Message received: LOG I 0 ExitCode: 0
>> Tue Feb  5 11:31:38 2013 [VMM][D]: Message received: LOG I 0 Successfully
>> execute network driver operation: pre.
>> Tue Feb  5 11:31:38 2013 [VMM][D]: Message received: LOG I 0 ExitCode: 0
>> Tue Feb  5 11:31:38 2013 [VMM][D]: Message received: LOG I 0 Successfully
>> execute virtualization driver operation: deploy.
>> Tue Feb  5 11:31:38 2013 [VMM][D]: Message received: LOG I 0 post:
>> Executed "sudo /usr/bin/ovs-ofctl add-flow vbr1
>> in_port=2,dl_src=02:00:c0:a8:0f:64,priority=40000,actions=normal".
>> Tue Feb  5 11:31:38 2013 [VMM][D]: Message received: LOG I 0 post:
>> Executed "sudo /usr/bin/ovs-ofctl add-flow vbr1
>> in_port=2,priority=39000,actions=drop".
>> Tue Feb  5 11:31:38 2013 [VMM][D]: Message received: LOG I 0 ExitCode: 0
>> Tue Feb  5 11:31:38 2013 [VMM][D]: Message received: LOG I 0 Successfully
>> execute network driver operation: post.
>> Tue Feb  5 11:31:38 2013 [VMM][D]: Message received: DEPLOY SUCCESS 0
>> one-0*
>>
>> Is there any way to manage it? We've thought on an script to
>> automatically check it everytime we restart the servers, but perhaps there
>> is already a better way we unknow.
>>
>>
>> Thanks in advance,
>>
>> Carlos.
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.opennebula.org
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>
>>
>
>
>  --
> Jaime Melis
> Project Engineer
> OpenNebula - The Open Source Toolkit for Cloud Computing
> www.OpenNebula.org | jmelis at opennebula.org
>
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
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>
>


-- 
Jaime Melis
Project Engineer
OpenNebula - The Open Source Toolkit for Cloud Computing
www.OpenNebula.org | jmelis at opennebula.org
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