Comment 21 for bug 1463802

reproduced with 6.1-521.
We've deployed the following configuration there:
Baremetal,Centos,IBP,HA, Neutron-gre,Ceph-all,Nova-debug,Nova-quotas, 6.1-521+ https://review.openstack.org/#/c/190137/
Controllers:3 Computes:47
Then we performed the following tests on the env:
Shaker: from 15 22:06:00 to 16 02:23:05
light rally: from 16 02:23:05 to 16 02:53:16
full rally: from 16 02:53:16 to 16 14:53:13
We have face with a rabbitmq issue https://bugs.launchpad.net/fuel/+bug/1463433. Some nodes of the rabbitmq cluster was down, but the rabbitmq cluster was alive at all:
http://paste.openstack.org/show/295708/

Then we found that Nova couldn't be reconnected to rabbitmq:
http://paste.openstack.org/show/295700/

Diagnostic Snapshot is here: http://mos-scale-share.mirantis.com/fuel-snapshot-2015-06-16_16-09-08.tar.xz