[openstack-dev] [TripleO][Tuskar] Icehouse Requirements

Robert Collins robertc at robertcollins.net
Fri Dec 13 06:07:45 UTC 2013

On 13 December 2013 10:05, Jay Dobies <jason.dobies at redhat.com> wrote:
>> Maybe this is a valid use case?

> You mention three specific nodes, but what you're describing is more likely
> three concepts:
> - Balanced Nodes
> - High Disk I/O Nodes
> - Low-End Appliance Nodes
> They may have one node in each, but I think your example of three nodes is
> potentially *too* simplified to be considered as proper sample size. I'd
> guess there are more than three in play commonly, in which case the concepts
> breakdown starts to be more appealing.
> I think the disk flavor in particular has quite a few use cases, especially
> until SSDs are ubiquitous. I'd want to flag those (in Jay terminology, "the
> disk hotness") as hosting the data-intensive portions, but where I had
> previously been viewing that as manual allocation, it sounds like the
> approach is to properly categorize them for what they are and teach Nova how
> to use them.
> Robert - Please correct me if I misread any of what your intention was, I
> don't want to drive people down the wrong path if I'm misinterpretting
> anything.

You nailed it, no butchering involved at all!


Robert Collins <rbtcollins at hp.com>
Distinguished Technologist
HP Converged Cloud

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