Subsequently stored messages {TAIL ~ 57 a e} will thereafter access the new index nodes 55 a c and {HEAD ~ storage nodes} 56 a e 
Subsequently stored messages { TAIL ~ 57 a e } will thereafter access the new index nodes 55 a c and { HEAD ~ storage nodes } 56 a e
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH