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authorJiri Stransky <jistr@redhat.com>2016-03-03 11:36:02 +0100
committerJiri Stransky <jistr@redhat.com>2016-03-03 11:49:34 +0100
commit7455f1afc3d2272a60d93672018324926c9eaa0d (patch)
tree2874d114c49e0fa34e5f078d367eb136f3598785 /puppet
parentf496aa225c2f12e2f8da80c74d4b511e0e6e2bf0 (diff)
Upgrade of Cinder block storage nodes
This introduces upgrades for Cinder block storage nodes. Currently Cinder doesn't support upgrade level pinning and cannot safely deal with version skew. This means that we have to upgrade Cinder storage nodes in sync with controller nodes (after they were taken down for upgrade, before they are brought back up) to ensure that Cinder services perform AMQP communication only within the same major version of Cinder. According to our current knowledge, Cinder block storage nodes are the only node type that will have to be upgraded in sync with controllers. Change-Id: Icec913c015eff744b0f31b513176b4b657df43af
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