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

[Tino Vazquez]

Hi Manish,

This is an outstanding example of performance-boost customization.

Many thanks for the feedback,

-Tino

--
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
>
>
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