swift@vm-15:~/swift$ swift-ring-builder foo create 8 1 1
swift@vm-15:~/swift$ swift-ring-builder foo
foo, build version 0, id 0261d562a8d64d2ba95c881b74780b66
256 partitions, 1.000000 replicas, 0 regions, 0 zones, 0 devices, 0.00 balance, 0.00 dispersion
The minimum number of hours before a partition can be reassigned is 1 (0:00:00 remaining)
The overload factor is 0.00% (0.000000)
Ring file foo.ring.gz not found, probably it hasn't been written yet
swift@vm-15:~/swift$ swift-ring-builder foo write_ring
Warning: Writing an empty ring
swift@vm-15:~/swift$ ls foo.ring.gz
foo.ring.gz
swift@ vm-15:~ /swift$ swift-ring-builder foo create 8 1 1 15:~/swift$ swift-ring-builder foo ba95c881b74780b 66 15:~/swift$ swift-ring-builder foo write_ring 15:~/swift$ ls foo.ring.gz
swift@vm-
foo, build version 0, id 0261d562a8d64d2
256 partitions, 1.000000 replicas, 0 regions, 0 zones, 0 devices, 0.00 balance, 0.00 dispersion
The minimum number of hours before a partition can be reassigned is 1 (0:00:00 remaining)
The overload factor is 0.00% (0.000000)
Ring file foo.ring.gz not found, probably it hasn't been written yet
swift@vm-
Warning: Writing an empty ring
swift@vm-
foo.ring.gz