Each logical compartment includes a placement policy including {HEAD ~ a set} of {TAIL ~ storage placement rules} for placement of storage symbols into a set of physical storage containers 
of
Each logical compartment includes a placement policy including { HEAD ~ a set } of { TAIL ~ storage placement rules } for placement of storage symbols into a set of physical storage containers
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH