wangxiyuan 2f803d3fa9 Remove DB downgrade ... As downgrade are not supported after Kilo, we should remove them now. Roll backs can be performed as mentioned in the below link: http://docs.openstack.org/ops-guide/ops-upgrades.html#rolling-back-a-failed-upgrade The DB downgrades were deprecated in Glance Mitaka release by commit e3366afdfb. Change-Id: I937d15d93f16a3e44a50e6ff1a469098eab67c79 Implements: blueprint remove-db-downgrade		2016-09-01 10:53:08 +08:00
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source	Remove DB downgrade	2016-09-01 10:53:08 +08:00