c05cd5a392
Earlier, a peer running a higher op-version couldn't be probed into a cluster running at a lower op-version. This created issues when trying to expand an upgraded cluster. This patch changes this behaviour. The cluster no longer rejects a peer being probed if its op-version is higher than the cluster op-version. The peer will reduce its op-version if it doesn't have any volumes. If the peer contains volumes and needs to reduce its op-version, it fails the handshake and the probe fails. Change-Id: I12c6c873922799e1557b7184e956baea643d0dea BUG: 1005038 Signed-off-by: Kaushal M <kaushal@redhat.com> Reviewed-on: http://review.gluster.org/5715 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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