[one-users] Strange behaviour of DEFAULT_DEVICE_PREFIX and TARGET when using Xen in HVM mode

Maxence Dunnewind maxence.dunnewind at inria.fr
Wed Aug 31 04:40:33 PDT 2011

Hi tino,

> Sorry for the long delay in answering. Looking to the VM template and
> the deployment file, it looks like that is what is intended in the
> OpenNebula side. It instructs the hypervisor to set the disks in the
> desired places (xvda for the base image, xvdb for the context CDROM,
> and sde for the datablock).
what I don't understand is why I would need to set datablock in sd namespace,
whereas base image and context are in xvd ? 
> In the end, this is passed through to the XEN hypervisor, which may
> tinker with this values as it sees fit (unfortunately), or even the
> guest OS may have udev rules that dictate other preferences. I suggest
> cleaning this rules to see if after reboot the disks end up in their
> proper places.
I'll try and come back to you with some results.

Maxence Dunnewind
System Engineer on Bonfire
Research Center INRIA Rennes - Bretagne Atlantique, France
Team Myriads, Office E219, tel +33 2 99 84 25 76
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