On 05/10/2016 04:47 PM, Matt Riedemann wrote:
On 5/10/2016 5:14 PM, Chris Friesen wrote:
For what it's worth, we've got internal patches to enable cold migration
and resize for LVM-backed instances. We've also got a proof of concept
to enable thin-provisioned LVM to get rid of the huge
wipe-volume-on-deletion cost.
I'd be interested if you want to push the changes up as a WIP, then we could run
my devstack-gate change with your series as a dependency and see what kind of
fallout there is.
I also need to check of there are any tempest tests that test resize/migrate
from a volume-backed instance and if those are passing on this.
I finally got around to massaging our "allow resize/migration for LVM-backed
instances" patch into something that should work on upstream:
https://review.openstack.org/#/c/337334
I'm not totally sure the logic is 100% correct, haven't worked through all the
cases. It's possible there are still some assumptions in there based on our
configuration.
Let me know what you think...maybe this could be O-release material?
Chris
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