[one-users] OpenNebula-Monitoring the restarted VM with other sources

Tino Vazquez tinova at fdi.ucm.es
Wed Oct 6 06:35:06 PDT 2010

Hi Siva,

OpenNebula lacks the ability to monitor externally deployed VMs since
it assumes an exclusive use of the resources.

Regarding your query, how exactly does the VM script restart the VM?
If it uses a hypervisor functionality, and the VM is restarted with
the same ID, OpenNebula should be able to keep track of said VM.



Constantino Vázquez Blanco | dsa-research.org/tinova
Virtualization Technology Engineer / Researcher
OpenNebula Toolkit | opennebula.org

On Sat, Sep 18, 2010 at 10:55 AM, siva <myknowinmail at gmail.com> wrote:
>  Hi
> Can you help me in solving the following problem where OpenNebula fails to
> monitor a VM.Please take go through the below for the exact scenario
> 1) I create a open Image through Open Nebula (The Image has a  script :"IN
> startup scripts" that changes the hostname and restarts the machine).
> 2) As soon as the image starts The startup script changes the Hostname and
> then restarts the machine.
> 3) As the image  restarted from other source (apart from OpenNebula). The
> image looses communication with OpenNebula.
> 4) And Open Nebula is not able to monitor that Image from that point
> onwards.
> Now my question is :
> Hwo could I make open Nebula to monitor the "VM that is re-stared from other
> sources/Manually".
> Thanks,
> Siva
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