[one-users] one and xen block configuration

[Javier Fontan]

Hello,

I have created a ticket to solve it making this value user configurable.

http://dev.opennebula.org/issues/348

Bye

On Mon, Sep 13, 2010 at 3:53 PM, Neil Mooney <neil.mooney at sara.nl> wrote:
> Perhaps this demonstrates that these arguments/options are better configured
> in the IM_driver, than hard wired into the code.
> At least then they are changeable without recompiling...
>
> Just a thought.
>
> Neil
>
> On 09/13/2010 02:59 PM, Stefan Freitag wrote:
>>
>> Hi Javier,
>>
>> I agree with you that tap:aio should be used instead of file:, but
>> sometimes it is not possible :-(
>> In Dortmund we had SLES 10 in place as OS for the physical machines and
>> this rejected to work properly with tap:aio.
>>
>> SLES, as it is an enterprise server edition of SUSE, does not include the
>> latest/ bug-fixed versions of e.g. XEN and libvirt :-(
>>
>> Cheers
>> Stefan
>>
>> Javier Fontan schrieb:
>>
>>>
>>> Hello,
>>>
>>> If you are using OpenNebula 1.4 you can specify disk target as
>>> "ioemu:hda". Also "tap:aio:" method should work with current versions
>>> of Xen, in fact it is recommended method over "file:". That is my
>>> understanding after reading Xen documentation and mailing lists.
>>>
>>> Anyway if you really need to use "file:" you can modify the file Neil
>>> pointed out (./src/vmm/XenDriver.cc). Around line 262 you'll find
>>> this:
>>>
>>> --8<------
>>>         else
>>>         {
>>>             file<<  "    'tap:aio:";
>>>         }
>>> ------>8--
>>>
>>> Change that "tap:aio:" string for "file:" and the line generated
>>> should match the one you've provided. Compiling and copying
>>> src/nebula/oned over your installed version in $ONE_LOCATION/bin
>>> should do the trick without reinstalling.
>>>
>>> Bye
>>>
>>>
>>> On Mon, Sep 13, 2010 at 12:47 PM, Ruben Diez<rdiez at cesga.es>  wrote:
>>>
>>>>
>>>> Hi:
>>>>
>>>> When i create a VM on xen by use the OpenNebula stuff, in the created
>>>> "deployment.0" file the "disk" section looks like this:
>>>>
>>>> disk = [
>>>>   'tap:aio:/srv/cloud/one/var//123/images/disk.0,hda,w',
>>>> .........
>>>>
>>>> But i would to use a xen block device configuration like this:
>>>>
>>>> disk = [
>>>>   'file:/srv/cloud/one/var//123/images/disk.0,ioemu:hda,w',
>>>> .........
>>>>
>>>> How can i do this?? Perhaps by using a "raw" in the VM template file?
>>>> How,
>>>> exactly? Perhaps by tunnig the virlib configuration???
>>>>
>>>>
>>>> Regards.
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at lists.opennebula.org
>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>
>>>>
>>>
>>>
>>> --
>>> 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
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.opennebula.org
>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>
>>>
>>
>> --
>> Dipl.-Inform. Stefan Freitag
>> Institut für Roboterforschung - Abteilung Informationstechnik
>> Universitaet Dortmund         | phone:  +49 (0)231-755-7009
>> Otto-Hahn-Str. 8              | mobile: +49 (0)176-23900074
>> 44221 Dortmund, Germany       | fax:    +49 (0)231-755-3251
>> www.irf.uni-dortmund.de       | email:  stefan.freitag at udo.edu
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.opennebula.org
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>
>
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>



-- 
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