def ignoreExt(self, ext):
        self.ignoredExts.append(ext)
If there is a dataset that is configured as deleted on this node, the
dataset/ETHPy150Open twisted/nevow/nevow/static.py/File.ignoreExt--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/test/test_blockdevice.py/CalculateDesiredStateTests.test_deleted_dataset