[one-users] device onebrxxxx alreay exists can't create bridge with the same name

Wed Feb 5 05:57:22 PST 2014

Hi,

I've just applied a patch to fix that. It will be available in OpenNebula
4.6.
http://dev.opennebula.org/issues/2573

cheers,
Jaime

On Wed, Dec 18, 2013 at 3:53 PM, Jaime Melis <jmelis at c12g.com> wrote:

> Hi,
>
> I think you are right. I've created a new ticket to fix this for
> OpenNebula 4.6:
> http://dev.opennebula.org/issues/2573
>
> cheers,
> Jaime
>
>
>
> On Thu, Dec 12, 2013 at 5:30 PM, cmcc.dylan <dx10years at 126.com> wrote:
>
>>
>> Hi.
>>   I don't use >= 4.0. But I think the code has a little problem, that is,
>> we should add a lock for "get_interfaces" not for "create_bridge".
>>
>>
>>
>>
>> At 2013-12-12 17:05:03,"Jaime Melis" <jmelis at c12g.com> wrote:
>>
>> Hi,
>>
>> not sure I follow, but given that the rules are idempotent if the bridge
>> doesn't exist it will be created, and if it does, it won't.
>>
>> Have you tried this with ONE >= 4.0 and still fails?
>>
>> regards,
>> Jaime
>>
>>
>> On Thu, Dec 12, 2013 at 4:32 AM, cmcc.dylan <dx10years at 126.com> wrote:
>>
>>> Hi，Jainme.
>>>
>>>   I think curruent codes don't have solved the bug complelely. The key
>>> problems the the following snippets are executed  parallel.
>>> class OpenNebulaHM < OpenNebulaNetwork
>>>     XPATH_FILTER = "TEMPLATE/NIC[VLAN='YES']"
>>>     def initialize(vm, deploy_id = nil, hypervisor = nil)
>>>         super(vm,XPATH_FILTER,deploy_id,hypervisor)
>>>         @bridges = get_interfaces
>>>     end
>>>
>>> so bridges variable maybe have the same name bridge. because bridge is a
>>> ruby instance variable，not a ruby class variable.
>>>
>>>
>>>
>>> At 2013-12-12 01:53:18,"Jaime Melis" <jmelis at c12g.com> wrote:
>>>
>>> Hi,
>>>
>>> yes, this is a known bug which is already solved in OpenNebula >= 4.0 by
>>> implementing locking mechanisms.
>>> http://dev.opennebula.org/issues/1722
>>>
>>> cheers,
>>> Jaime
>>>
>>>
>>>
>>>
>>> On Wed, Dec 11, 2013 at 9:46 AM, cmcc.dylan <dx10years at 126.com> wrote:
>>>
>>>>  Hi everyone！
>>>>
>>>>    I find a problem when we create two or more instances on one host at
>>>> the same time，we meet the error "device onebrxxxx alreay exists can't
>>>> create bridge with the same name".
>>>>    The reason is that instances all try to create their bridge，although
>>>> they check whether or not their birdge is existed. because it's at the same
>>>> time, they all get a result that their bridge is not existed, and then they
>>>> create it.
>>>>    But when they really create, the same bridge has already been
>>>> created by other instances.
>>>>
>>>>     Has the problem been fixed now？ I use opennebula-3.8.1.
>>>>
>>>>    Look forward your answers!
>>>>
>>>>    dylan.
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at lists.opennebula.org
>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>
>>>>
>>>
>>>
>>> --
>>> Jaime Melis
>>> C12G Labs - Flexible Enterprise Cloud Made Simple
>>> http://www.c12g.com | jmelis at c12g.com
>>>
>>> --
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>>
>>
>> --
>> Jaime Melis
>> C12G Labs - Flexible Enterprise Cloud Made Simple
>> http://www.c12g.com | jmelis at c12g.com
>>
>> --
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>
>
> --
> Jaime Melis
> C12G Labs - Flexible Enterprise Cloud Made Simple
> http://www.c12g.com | jmelis at c12g.com
>
> --
>
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-- 
Jaime Melis
C12G Labs - Flexible Enterprise Cloud Made Simple
http://www.c12g.com | jmelis at c12g.com

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