[one-users] shutting down VM vs stopping it

[Carlos Martín Sánchez]

Hi Nikolay,

The life-cycle diagram [1] is the best way to understand the VM states, and
what actions are available for each of them.

If you shut down a VM, it will enter the final DONE state, from which no
action can be performed.
A stopped VM on the other hand can be later resumed, using 'onevm resume'.

Internally, the difference is that shutting down the VM it has a chance to
perform any operations (like unregister from a service). A stopped VM is
suspended (paused).

[1]
http://opennebula.org/documentation:rel2.2:vm_guide#virtual_machine_life-cycle

Regards

--
Carlos Martín, MSc
Project Major Contributor
OpenNebula - The Open Source Toolkit for Cloud Computing
www.OpenNebula.org <http://www.opennebula.org/> | cmartin at opennebula.org


On Sun, May 8, 2011 at 5:34 PM, <knawnd at gmail.com> wrote:

> Hi!
>
> Tino has already explained the difference between deleting and shutting
> down VM in [1]. But I wonder what the difference is between shutting down VM
> and stopping it (I mean 'onevm shutdown' and 'onevm stop'). It's not clear
> from onevm man page [2].
>
> Thanks.
> Nikolay.
>
> [1] http://www.mail-archive.com/users@lists.opennebula.org/msg02965.html
> [2] http://opennebula.org/doc/2.2/cli/onevm.html
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>
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