'pcs status' shows resources and stonith devices as "(unmanaged)" even though they haven't been set to unmanaged in the configuration in a RHEL 6 or 7 High Availability cluster

Issue

• The pacemaker cluster is showing unmanaged in the status.
• pcs status shows resources as "(unmanaged)", but we never set them to unmanaged, and the configuration doesn't show any resources with is-managed="false"

Full list of resources:

 stonith_node1 (stonith:fence_ipmilan):        Started node2.example.com (unmanaged)
 stonith_node2 (stonith:fence_ipmilan):        Started node1.example.com (unmanaged)
 Resource Group: myApp
     external_ip        (ocf::heartbeat:IPaddr):        Started node1.example.com (unmanaged)
     internal_ip0       (ocf::heartbeat:IPaddr):        Started node1.example.com (unmanaged)
     internal_ip1       (ocf::heartbeat:IPaddr):        Started node1.example.com (unmanaged)