[Openstack] Nova-Compute and Libvirt

Trinath Somanchi trinath.somanchi at gmail.com
Thu Jul 12 11:41:43 UTC 2012


Thanks a lot for the help in replies...


have disabled Nova-compute in Controller. It worked fine..

On Thu, Jul 12, 2012 at 3:48 PM, Kiall Mac Innes <kiall at managedit.ie> wrote:

> Are you saying you don't want instances to run on the controller?
>
> If so, remove nova-compute from the controller and remove its record from
> the compute_nodes table, and its nova-compute row from the services table.
>
> That will prevent nova from launching instances on that server.
>
> Thanks,
> Kiall
>
> Sent from my mobile...
> On Jul 12, 2012 10:17 AM, "Trinath Somanchi" <trinath.somanchi at gmail.com>
> wrote:
>
>> Hi Neo-
>>
>> I have configured Nova network to use FLATDHCPMANAGER driver.
>>
>> I'm able to start the instances at NODES.
>>
>> But some times these instances run at Controller it self. I'm
>> investigating the terms on how to restrict this.
>>
>> Hence posted the issue in the list.
>>
>> On Thu, Jul 12, 2012 at 12:28 PM, Nguyen Son Tung <tungns.inf at gmail.com>wrote:
>>
>>> Hi Trinath,
>>>
>>> I'm Neo.
>>> I am trying to install nova in 2 nodes like you, but I stuck with
>>> nova-network config.
>>> How about your installation?
>>>
>>> Could you run the instances on compute-nodes?
>>> How about your nova network setup?
>>>
>>> Thank you!
>>> Regrads,
>>>
>>> Neo
>>>
>>> On Thu, Jul 12, 2012 at 1:50 PM, Trinath Somanchi
>>> <trinath.somanchi at gmail.com> wrote:
>>> > Self Resolved ....
>>> >
>>> > since no memory resources are available, this error is shown.
>>> >
>>> >
>>> >
>>> > On Thu, Jul 12, 2012 at 11:06 AM, Trinath Somanchi
>>> > <trinath.somanchi at gmail.com> wrote:
>>> >>
>>> >> Hi-
>>> >>
>>> >> I have set up two machine a Controller (All Openstack Modules) and
>>> Node
>>> >> (Only Nova-Compute).
>>> >>
>>> >> In the first instance, the VM  is getting created in the Controller
>>> and is
>>> >> Active and able to a login.
>>> >>
>>> >> In the Second Instance the VM is getting created in the Node but stops
>>> >> with an Spawning error. "Libvirt error: unable to read from monitor :
>>> >> connection reset by peer."
>>> >>
>>> >> To check this error, I have moved the existing and active instance
>>> file
>>> >> set to the NODE machine and from the VIRSH console, started the same.
>>> This
>>> >> particular instance which started and active in the Controller
>>> machine gave
>>> >> an error in the NODE machine "Libvirt error: unable to read from
>>> monitor :
>>> >> connection reset by peer."
>>> >>
>>> >> Is this error Machine specific or Installation specific.
>>> >>
>>> >> How libvirt communicate in both Controller and Node.
>>> >>
>>> >> Please help me in resolving the issue.
>>> >>
>>> >>
>>> >>
>>> >> --
>>> >> Regards,
>>> >> ----------------------------------------------
>>> >> Trinath Somanchi,
>>> >> +91 9866 235 130
>>> >>
>>> >
>>> >
>>> >
>>> > --
>>> > Regards,
>>> > ----------------------------------------------
>>> > Trinath Somanchi,
>>> > +91 9866 235 130
>>> >
>>> >
>>> > _______________________________________________
>>> > Mailing list: https://launchpad.net/~openstack
>>> > Post to     : openstack at lists.launchpad.net
>>> > Unsubscribe : https://launchpad.net/~openstack
>>> > More help   : https://help.launchpad.net/ListHelp
>>> >
>>>
>>>
>>>
>>> --
>>> Nguyen Son Tung
>>> Cellphone: 0942312007
>>> Skype: neophilo
>>>
>>
>>
>>
>> --
>> Regards,
>> ----------------------------------------------
>> Trinath Somanchi,
>> +91 9866 235 130
>>
>>
>> _______________________________________________
>> Mailing list: https://launchpad.net/~openstack
>> Post to     : openstack at lists.launchpad.net
>> Unsubscribe : https://launchpad.net/~openstack
>> More help   : https://help.launchpad.net/ListHelp
>>
>>


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