def forget_dead_hosts(self):
        for s in self.servers:
            s.deaduntil = 0
Unmount a filesystem.
dataset/ETHPy150Open mozilla/source/vendor-local/lib/python/memcache.py/Client.forget_dead_hosts--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/testtools/_blockdevice.py/umount