target_node = self.target_node
source_node = self.source_node
+ # Check for hypervisor version mismatch and warn the user.
+ nodeinfo = self.rpc.call_node_info([source_node, target_node],
+ None, self.instance.hypervisor)
+ src_info = nodeinfo[source_node]
+ dst_info = nodeinfo[target_node]
+
+ if ((constants.HV_NODEINFO_KEY_VERSION in src_info.payload) and
+ (constants.HV_NODEINFO_KEY_VERSION in dst_info.payload)):
+ src_version = src_info.payload[constants.HV_NODEINFO_KEY_VERSION]
+ dst_version = dst_info.payload[constants.HV_NODEINFO_KEY_VERSION]
+ if src_version != dst_version:
+ self.feedback_fn("* warning: hypervisor version mismatch between"
+ " source (%s) and target (%s) node" %
+ (src_version, dst_version))
+
self.feedback_fn("* checking disk consistency between source and target")
for dev in instance.disks:
if not _CheckDiskConsistency(self.lu, dev, target_node, False):