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OK.  So, next question is the specific configuration for each compute node.  Do you know if there are sample configurations (e.g., nova.conf) available for these?

Thanks!

From: Andrew Mann [mailto:andrew at divvycloud.com]
Sent: Thursday, June 26, 2014 10:22 AM
To: O'Reilly, Dan
Cc: openstack at lists.openstack.org
Subject: Re: [Openstack] Architectural question

Dan,

If I understand your question properly, you can do this from the Horizon management web interface as an admin user. Under Admin->System Panel->Host Aggregates setup 3 aggregates each in their own availability zone, and then assign each host into a corresponding aggregate.

I don't think the controller node needs any special configuration, and the compute nodes should just need the configuration to use the specific hypervisor you want on that host.  Each compute node must be running before it can be added to the host aggregate through the UI.


On Thu, Jun 26, 2014 at 10:45 AM, O'Reilly, Dan <Daniel.OReilly at dish.com<mailto:Daniel.OReilly at dish.com>> wrote:
I’m building a cloud and have a question about architecture/viability.  Right now, I have the following configuration:


-          Controller node running RHEL 6.5

-          Network node running RHEL 6.5

-          5 node Ceph cluster for block and object storage

-          3 compute nodes:

o   1 running RHEL 6.5 and VMware as the hypervisor

o   1 running RHEL 6.5 and KVM as the hypervisor

o   1 running CentOS 6.5 and Xen as the hypervisor

The basic question is on the compute nodes.  I’m doing 3 different hypervisors to do a best-of-breed study (each will be in its own availability zone).  Hence, one of each type.  But is it even possible to have 3 compute nodes like this, and if so, how do I configure the compute software that runs on the controller node to handle this; and how do I configure each of the 3 compute nodes as well?

Dan O'Reilly
UNIX Systems Administration
[cid:image001.jpg at 01CF912E.AF1759E0]
9601 S. Meridian Blvd.
Englewood, CO 80112
720-514-6293<tel:720-514-6293>



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Andrew Mann
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