[one-users] Support for custom Xen drivers for disk images

Javier Fontan jfontan at gmail.com
Fri Oct 29 14:08:05 PDT 2010


The "driver" is a string prepended to the file path so you can use any
of the prefixes in the page you have linked.

On Fri, Oct 29, 2010 at 11:04 PM, Todd Deshane <deshantm at gmail.com> wrote:
> On Fri, Oct 29, 2010 at 3:12 PM, Ruben S. Montero <rubensm at dacya.ucm.es> wrote:
>> Hi all,
>> This refers to http://dev.opennebula.org/issues/348.
>> There is a new DRIVER attribute for DISK. The DRIVER can be used to specify
>> custom drivers for images. Example
>> DISK = [ driver = "tap2:aio:", source="path_to_image", target="hda1"]
>> So it gets transformed to:
>> disk = [
>>     'tap2:aio:path_to_image,sda1,w',
>> ]
>> This attribute is also supported by the image repository. So you can add
>> driver="file:" to an image template, or add it to an existing one using
>> oneimage update. Also you can specify it in the VM template as:
>> DISK = [ image="myimage", driver="file:"]
>> The DRIVER is also supported by CONTEXT devices just added as:
>> CONTEXT = [ driver = "file:" ,... ]
>> Finally, the driver defaults to "tap:aio:" you can change the default for
>> all the images including context in
>> $ONE_LOCATION/etc/vmm_ssh/vmm_ssh_xen.conf
>> Any feedback is more than welcome!
>
> Naming that xen upstream uses should be taken into consideration:
> http://wiki.xensource.com/xenwiki/blktap2
>
> Thanks,
> Todd
>
> --
> Todd Deshane
> http://todddeshane.net
> http://runningxen.com
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>



-- 
Javier Fontan, Grid & Virtualization Technology Engineer/Researcher
DSA Research Group: http://dsa-research.org
Globus GridWay Metascheduler: http://www.GridWay.org
OpenNebula Virtual Infrastructure Engine: http://www.OpenNebula.org



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