TitleDRBD check should allow configurable alert level for flipped roles
ComponentChecks & Agents
StateDone (Won't Do)

The check for DRBD status also keeps an eye on the roles of the DR:BD nodes. If the primary and secondary roles switch on both nodes, the check will go to critical for historical reasons. For many people it would only be considered a WARNING or even OK assuming that the primary is working and serving requests.