[one-users] VMWare Server 2.0 and non-persistent images to minimize copy when deploying

Tino Vazquez tinova at fdi.ucm.es
Thu Sep 30 08:24:52 PDT 2010

Hi Manish,

This is an outstanding example of performance-boost customization.

Many thanks for the feedback,


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

On Mon, Sep 27, 2010 at 1:32 PM, Manish Sapariya <manish at gslab.com> wrote:

>  Hi All,
> I thought somebody will find this useful and hence
> sharing it here.
> We are using opennebula based setup to test our
> collaboration product. We have home grown test framework
> which can run clients on different machines to execute
> test scenarios. Things were fine until we had only few
> users in our test. However as I added more users in test,
> the VMs deploying started taking too long because of the
> image copying. My frontend is on FC8, with big SATA disk.
> The datastore is expored using CIFS. The VMWare Hypervisors
> mount the datastore using CIFS to run the VMs.
> To minimize the copy of the whole disk on deploy, we
> followed solution detailed in 1, which is briefly mentioned
> as below.
> - Create your base image, call it basevm.
> - Modify the disk settings to non-persistent.
> - Now create another VM, clone1 , using the disk of
>   basevm.
>   - Set the new disk as non-persistent.
> - Create the vm template pointing to clone1. Note that
>   both the basevm and clone1 images should be in your
>   exported datastore path.
> - Deploy as many VMs as you like, with just few MBs of
>   data to copied.
> Hope this helps somebody.
> 1. http://communities.vmware.com/thread/15339
> --
> Thanks and Regards,
> Manish
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opennebula.org/pipermail/users-opennebula.org/attachments/20100930/bd1074b6/attachment-0003.htm>

More information about the Users mailing list