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Nova Scheduler issue

 

 

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trinath.somanchi at gmail

Jul 11, 2012, 10:15 PM

Post #1 of 5 (92 views)
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Nova Scheduler issue

Hi-

I have installed Openstack on a Machine ESSEX-1 which is the controller and
Nova-Compute on another machine ESSEX-2 which acts as an agent/node.

When ever I start an new instance, the VM instance is getting created in
the CONTROLLER (ESSEX-1) machine not in the ESSEX-2 machine, the agent/node.

Please kindly help me on how to restrict/instruct the controller to create
the VM instances only on the Agent/Nodes only.

Thanking you for the help.


--
Regards,
----------------------------------------------
Trinath Somanchi,
+91 9866 235 130


wittwerch at gmail

Jul 12, 2012, 12:14 AM

Post #2 of 5 (86 views)
Permalink
Re: Nova Scheduler issue [In reply to]

You can just stop nova-compute on the essex-1 node.

2012/7/12 Trinath Somanchi <trinath.somanchi [at] gmail>

> Hi-
>
> I have installed Openstack on a Machine ESSEX-1 which is the controller
> and Nova-Compute on another machine ESSEX-2 which acts as an agent/node.
>
> When ever I start an new instance, the VM instance is getting created in
> the CONTROLLER (ESSEX-1) machine not in the ESSEX-2 machine, the agent/node.
>
> Please kindly help me on how to restrict/instruct the controller to create
> the VM instances only on the Agent/Nodes only.
>
> Thanking you for the help.
>
>
> --
> Regards,
> ----------------------------------------------
> Trinath Somanchi,
> +91 9866 235 130
>
>
> _______________________________________________
> Mailing list: https://launchpad.net/~openstack
> Post to : openstack [at] lists
> Unsubscribe : https://launchpad.net/~openstack
> More help : https://help.launchpad.net/ListHelp
>
>


han.sebastien at gmail

Jul 12, 2012, 12:30 AM

Post #3 of 5 (90 views)
Permalink
Re: Nova Scheduler issue [In reply to]

$ sudo nova-manage service disable --host=ESSEX-1 --service nova-compute

It's also good to read the documentation before asking questions.

http://docs.openstack.org/essex/openstack-compute/admin/content/managing-the-cloud.html#d6e6254

Cheers.

On Thu, Jul 12, 2012 at 9:14 AM, Christian Wittwer <wittwerch [at] gmail>wrote:

> You can just stop nova-compute on the essex-1 node.
>
> 2012/7/12 Trinath Somanchi <trinath.somanchi [at] gmail>
>
>> Hi-
>>
>> I have installed Openstack on a Machine ESSEX-1 which is the controller
>> and Nova-Compute on another machine ESSEX-2 which acts as an agent/node.
>>
>> When ever I start an new instance, the VM instance is getting created in
>> the CONTROLLER (ESSEX-1) machine not in the ESSEX-2 machine, the agent/node.
>>
>> Please kindly help me on how to restrict/instruct the controller to
>> create the VM instances only on the Agent/Nodes only.
>>
>> Thanking you for the help.
>>
>>
>> --
>> Regards,
>> ----------------------------------------------
>> Trinath Somanchi,
>> +91 9866 235 130
>>
>>
>> _______________________________________________
>> Mailing list: https://launchpad.net/~openstack
>> Post to : openstack [at] lists
>> Unsubscribe : https://launchpad.net/~openstack
>> More help : https://help.launchpad.net/ListHelp
>>
>>
>
> _______________________________________________
> Mailing list: https://launchpad.net/~openstack
> Post to : openstack [at] lists
> Unsubscribe : https://launchpad.net/~openstack
> More help : https://help.launchpad.net/ListHelp
>
>


trinath.somanchi at gmail

Jul 12, 2012, 2:16 AM

Post #4 of 5 (85 views)
Permalink
Re: Nova Scheduler issue [In reply to]

Thanks for the reply.

If I stop the Nova-Compute in Essex-1 machine. then How will Controller and
Nodes communicate via libvirt where in turn Nova-compute handles it.?


On Thu, Jul 12, 2012 at 1:00 PM, Sébastien Han <han.sebastien [at] gmail>wrote:

> $ sudo nova-manage service disable --host=ESSEX-1 --service nova-compute
>
> It's also good to read the documentation before asking questions.
>
>
> http://docs.openstack.org/essex/openstack-compute/admin/content/managing-the-cloud.html#d6e6254
>
> Cheers.
>
> On Thu, Jul 12, 2012 at 9:14 AM, Christian Wittwer <wittwerch [at] gmail>wrote:
>
>> You can just stop nova-compute on the essex-1 node.
>>
>> 2012/7/12 Trinath Somanchi <trinath.somanchi [at] gmail>
>>
>>> Hi-
>>>
>>> I have installed Openstack on a Machine ESSEX-1 which is the controller
>>> and Nova-Compute on another machine ESSEX-2 which acts as an agent/node.
>>>
>>> When ever I start an new instance, the VM instance is getting created in
>>> the CONTROLLER (ESSEX-1) machine not in the ESSEX-2 machine, the agent/node.
>>>
>>> Please kindly help me on how to restrict/instruct the controller to
>>> create the VM instances only on the Agent/Nodes only.
>>>
>>> Thanking you for the help.
>>>
>>>
>>> --
>>> Regards,
>>> ----------------------------------------------
>>> Trinath Somanchi,
>>> +91 9866 235 130
>>>
>>>
>>> _______________________________________________
>>> Mailing list: https://launchpad.net/~openstack
>>> Post to : openstack [at] lists
>>> Unsubscribe : https://launchpad.net/~openstack
>>> More help : https://help.launchpad.net/ListHelp
>>>
>>>
>>
>> _______________________________________________
>> Mailing list: https://launchpad.net/~openstack
>> Post to : openstack [at] lists
>> Unsubscribe : https://launchpad.net/~openstack
>> More help : https://help.launchpad.net/ListHelp
>>
>>
>


--
Regards,
----------------------------------------------
Trinath Somanchi,
+91 9866 235 130


tungns.inf at gmail

Jul 12, 2012, 5:30 AM

Post #5 of 5 (79 views)
Permalink
Re: Nova Scheduler issue [In reply to]

Oh don't worry.
The nova-scheduler and other nova components will take care all of it.
Just run the disable nova-compute command and run another instance. You'll see.

On Thu, Jul 12, 2012 at 4:16 PM, Trinath Somanchi
<trinath.somanchi [at] gmail> wrote:
> Thanks for the reply.
>
> If I stop the Nova-Compute in Essex-1 machine. then How will Controller and
> Nodes communicate via libvirt where in turn Nova-compute handles it.?
>
>
>
> On Thu, Jul 12, 2012 at 1:00 PM, Sébastien Han <han.sebastien [at] gmail>
> wrote:
>>
>> $ sudo nova-manage service disable --host=ESSEX-1 --service nova-compute
>>
>> It's also good to read the documentation before asking questions.
>>
>>
>> http://docs.openstack.org/essex/openstack-compute/admin/content/managing-the-cloud.html#d6e6254
>>
>> Cheers.
>>
>> On Thu, Jul 12, 2012 at 9:14 AM, Christian Wittwer <wittwerch [at] gmail>
>> wrote:
>>>
>>> You can just stop nova-compute on the essex-1 node.
>>>
>>> 2012/7/12 Trinath Somanchi <trinath.somanchi [at] gmail>
>>>>
>>>> Hi-
>>>>
>>>> I have installed Openstack on a Machine ESSEX-1 which is the controller
>>>> and Nova-Compute on another machine ESSEX-2 which acts as an agent/node.
>>>>
>>>> When ever I start an new instance, the VM instance is getting created in
>>>> the CONTROLLER (ESSEX-1) machine not in the ESSEX-2 machine, the agent/node.
>>>>
>>>> Please kindly help me on how to restrict/instruct the controller to
>>>> create the VM instances only on the Agent/Nodes only.
>>>>
>>>> Thanking you for the help.
>>>>
>>>>
>>>> --
>>>> Regards,
>>>> ----------------------------------------------
>>>> Trinath Somanchi,
>>>> +91 9866 235 130
>>>>
>>>>
>>>> _______________________________________________
>>>> Mailing list: https://launchpad.net/~openstack
>>>> Post to : openstack [at] lists
>>>> Unsubscribe : https://launchpad.net/~openstack
>>>> More help : https://help.launchpad.net/ListHelp
>>>>
>>>
>>>
>>> _______________________________________________
>>> Mailing list: https://launchpad.net/~openstack
>>> Post to : openstack [at] lists
>>> Unsubscribe : https://launchpad.net/~openstack
>>> More help : https://help.launchpad.net/ListHelp
>>>
>>
>
>
>
> --
> Regards,
> ----------------------------------------------
> Trinath Somanchi,
> +91 9866 235 130
>
>
> _______________________________________________
> Mailing list: https://launchpad.net/~openstack
> Post to : openstack [at] lists
> Unsubscribe : https://launchpad.net/~openstack
> More help : https://help.launchpad.net/ListHelp
>



--
Nguyen Son Tung
Cellphone: 0942312007
Skype: neophilo

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