def MarkInstanceDisksInactive(self, inst_uuid):
    return self._SetInstanceStatus(inst_uuid, None, False, None)
L{startAction} when C{currentAction()} is C{None} logs a start
dataset/ETHPy150Open ganeti/ganeti/lib/config/__init__.py/ConfigWriter.MarkInstanceDisksInactive--crossover with--dataset/ETHPy150Open ClusterHQ/eliot/eliot/tests/test_action.py/StartActionAndTaskTests.test_startActionNoParentLogStart