[Sheepdog] Openstack: is sheepdog support limited to volumes?

Dan Mihai Dumitriu dmd17 at cornell.edu
Fri Jul 8 16:34:07 CEST 2011

That is a limitation of Nova, not Sheepdog.  The boot from volume
support is the same for all types of block storage.

The work to make booting from volumes work is ongoing, please see


On Wed, Jul 6, 2011 at 03:34, MORITA Kazutaka
<morita.kazutaka at lab.ntt.co.jp> wrote:
> At Mon, 4 Jul 2011 18:38:16 +0200,
> Giuseppe Civitella wrote:
>> Hi all,
>> IFAIK libvirt and qemu both support the creation of virtual machines
>> which have boot disk stored on a sheepdog cluster.
>> I've beek checking openstack's wiki for sheepdog's related information.
>> I've found a configuration example:
>> http://docs.openstack.org/cactus/openstack-compute/admin/content/sample-nova-configuration-files.html
>> and this blueprint page:
>> http://wiki.openstack.org/SheepdogSupport
>> Both pages are just about volumes management.
>> It seems it's not possible to boot a vm on a nova-compute node while
>> storing it's disk on a sheepdog cluster: am I wrong?
> Currently, OpenStack virtual machines cannot boot from Sheepdog
> volumes.  The work is still on going, and will be supported in the
> next release, Diablo.  What you can do with the current version is
> attaching/detaching Sheepdog volumes to the OpenStack virtual
> machines.
> Thanks,
> Kazutaka
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