An index hash of the unique filename, corresponding to one such index node, and a storage hash of {TAIL ~ the unique filename}, corresponding to {HEAD ~ one such storage node}, are generated 
An index hash of the unique filename , corresponding to one such index node , and a storage hash of { TAIL ~ the unique filename } , corresponding to { HEAD ~ one such storage node } , are generated
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH