Bug 1014365

Title: Building Object Storage Service Ring Files

Describe the issue:
The example command line shown when adding a storage device to the ring can be misleading. It looks like this:

swift-ring-builder /etc/swift/account.builder add zX-127.0.0.1:6002/device_mountpoint partition_count

I have two suggestions:

1- While the text below specifies that you could change the IP (127.0.0.1) to a real IP, the example is still using the loopback address. This contradicts what is being set earlier in section "6.5.2. Configuring the Object Storage Service Storage Nodes", since we are setting bind_ip to the real IP. 

2. The device_mountpoint description is confusing, at least to me (non-native speaker). It took me a long while until I discovered what I had to specify, and only after checking the upstream documentation. A commented example would be really handy.
Suggestions for improvement:
1. I'd suggest to change the loopback IP in the example to use the real IP.
2. I'd propose to add an example. Let's say the real IP of your node is 10.0.0.3, your zone number is 1, and your device is mounted at /srv/node/account. Then, the command line would look like:

swift-ring-builder /etc/swift/account.builder add z1-10.0.0.3:6002/account 100

Additional information: