[PetiteCloud] OpenStack Host OS

Aryeh Friedman aryeh.friedman at gmail.com
Wed Feb 12 02:10:53 PST 2014

On Tue, Feb 11, 2014 at 8:52 PM, Michael Thoreson <m.thoreson at c4labs.ca>wrote:

> I see you using Ubuntu a lot for the OpenStack appliances. Have you
> considered RHEL or similar? Reason I ask is Red Hat recently made available
> RDO http://openstack.redhat.com/Main_Page which basically makes deploying
> OpenStack much less painfully process than doing it by hand.

I am open to any approach maybe even competing ones.

> It is suppose to work with RHEL and any derivative such as CentOS,
> Scientific, Oracle EL and Fedora. I would consider Oracle for a OpenStack
> host OS as I find it has the best blend of stability and new features. When
> testing ZFSonLinux and GlusterFS I found a near 10x throughput improvement
> switching from Ubuntu 12.04.1 to OEL 6.4. I also had increased stability
> with VMWare vms.
> I am not saying abandon the Ubuntu approach, just thought RDO would be
> something interesting to look into for the *EL die hards out there.
> The biggest downfall for OEL is it doesn't support Xen as a host very
> well. Never been able to make it work.

> Which makes me think has any consideration been given to adding libvirt
> support to petitecloud? it would make supporting additional hypervisors
> much easier. Could add support for Xen, VBox and VMWare. Bhyve is not
> libvirt capable ready but they may add it as discussions on openstack
> forums say the openstack team do not want to add a driver specific for
> bhyve and would prefer it be libvirt compatible.

Libvirt maybe in the future but we have hyperv wrapping down very tight
now... there is less then 15 to 20 lines of code per hyperv that need to be
changed (everything except the actual hyperv command line in
/tmp/X[install/run].sh is generated by other parts of petitecloud).   When
we start the move to C we will likely add libbvirt officially then.   One
of the things I have heard but would need to look into (and if true is a
show stopper) that libvirt does not meet the no long lived processes test.

Aryeh M. Friedman, Lead Developer, http://www.PetiteCloud.org
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