[openstack-dev] [nova] Migration shared storage negotiation

Chris Friesen chris.friesen at windriver.com
Mon Mar 7 16:06:31 UTC 2016


On 03/07/2016 09:23 AM, Matthew Booth wrote:
> Timofey has posted a patch which aims to improve shared storage negotiation a
> little:
>
> https://review.openstack.org/#/c/286745/
>
> I've been thinking for some time about going bigger. It occurs to me that the
> destination node has enough context to know what should be present. I think it
> would be cleaner for the destination to check what it has, and send the delta
> back to the source in migration_data. I think that would remove the need for
> shared storage negotiation entirely. Of course, we'd need to be careful about
> cleaning up after ourselves, but that's already true.

Sounds interesting if you can make it work reliably.

Chris



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