On 04/24/2016 10:15 AM, Matt Riedemann wrote: >> > > To clarify, live snapshots aren't disabled by default because they don't > work, it's because at least with libvirt 1.2.2 and QEMU 2.0 (which is > what we test against in the gate), we'd hit a lot of failures (about 25% > failure rate with the devstack/tempest jobs) when running live snapshot, > so we suspect there are concurrency issues when running live snapshot on > a compute along with other operations at the same time (the CI jobs run > 4 tests concurrently on a single-node devstack). > > This might not be an issue on newer libvirt/QEMU, we'll see when we > start testing with Ubuntu 16.04 nodes.
Correct. I tried to build a clarifying comment in the config option here (as I realized it wasn't described all that well in docs) - https://review.openstack.org/#/c/309629/ -Sean -- Sean Dague http://dague.net
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