MongoDB failures analisys, critical conditions detection, recover of all fuctionality after a MongoDB restart

added bug label

added critical label

removed To Do label

added To Do label

assigned to @pciuffet

assigned to @bisegni and unassigned @pciuffet

added Metadata Server label

added Common label

marked #7 (closed) as a duplicate of this issue

added Doing and removed To Do labels

closed

removed Doing label

mentioned in issue #24 (closed)

mentioned in issue #36 (closed)