[openstack-dev] [nova] [placement] placement update 18-30
mriedemos at gmail.com
Fri Jul 27 19:06:57 UTC 2018
On 7/27/2018 8:07 AM, Chris Dent wrote:
> # Questions
> I wrote up some analysis of the way the [resource tracker talks to
> placement](https://anticdent.org/novas-use-of-placement.html). It
> identifies some redundancies. Actually it reinforces that some
> redundancies we've known about are still there. Fixing some of these
> things might count as bug fixes. What do you think?
Performance issues are definitely bugs so I think that's fair. How big
of an impact the solution is is another thing.
> * "How to deploy / model shared disk. Seems fairly straight-forward,
> and we could even maybe create a multi-node ceph job that does
> this - wouldn't that be awesome?!?!", says an enthusiastic Matt
Two updates here:
1. We've effectively disabled the shared storage provider stuff in the
Because of the reasons listed in the bug. That's going to require a spec
in Stein if we're going to fully support shared storage providers and
the work items from that bug would be a good start for a spec.
2. Coincidentally, I *just* got a working ceph (single-node) CI job run
working with a shared storage provider providing DISK_GB for the single
compute node provider:
Fleshing that out for a multi-node job shouldn't be too hard.
All of that is now entered in the Stein PTG etherpad for discussion in
> * The whens and wheres of re-shaping and VGPUs.
I'm not sure anything about this has to be documented for Rocky since we
didn't get /reshaper done so nothing regarding VGPUs in nova changed,
right? Except I think Sylvain fixed one VGPU gap in the libvirt driver
which was updated in the docs, but unrelated to /reshaper.
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