Block allocateBackup if the node is not secure node. am: 996be3eef1 am: 2bebd9c7f5 am: 395ec8c4af am: 238f43188a am: 0a78e48503 am: ff286981c5  -s ours
am: d7d971edb4  -s ours

Change-Id: I3ec108a50ed00f9d87e9ef67e08d6a02770d9f64