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[Openstack] Create VMs with Power architecture(ppc64) on OpenStack running on x86_64 nodes??


On 11/19/2018 10:25 AM, Yedhu Sastri wrote:
> Hello All,
> 
> I have some use-cases which I want to test in PowerPC 
> architecture(ppc64). As I dont have any Power machines I would like to 
> try it with ppc64 VM's. Is it possible to run these kind of VM's on my 
> OpenStack cluster(Queens) which runs on X86_64 architecture nodes(OS 
> RHEL 7)??
> 
> I set the image property architecture=ppc64 to the ppc64 image I 
> uploaded to glance but no success in launching VM with those images. I 
> am using KVM as hypervisor(qemu 2.10.0) in my compute nodes and I think 
> it is not built to support power architecture. For testing without 
> OpenStack I manually built qemu on a x86_64 host with ppc64 
> support(qemu-ppc64) and then I am able to host the ppc64 VM. But I dont 
> know how to do this on my OpenStack cluster. Whether I need to manually 
> build qemu on compute nodes with ppc64 support or I need to add some 
> lines in my nova.conf to do this?? Any help to solve this issue would be 
> much appreciated.

I think that within an OpenStack cluster you'd have to dedicate a whole 
compute node to running ppc64 and have it advertise the architecture as 
ppc64.  Then when you ask for "architecture=ppc64" it should land on 
that node.

If this is for "development, testing or migration of applications to 
Power" have you checked out these people?  They provide free Power VMs.

http://openpower.ic.unicamp.br/minicloud/

Chris