Method in order to manage the connection with one target volume and one source volume, the system, and the program

摘要

Topic Manage the relationship with one target volume and one source volume.Solutions Method in order to manage the connection with one target volume and one source volume, the system, and the program are offered. Concerning each of source volume and target volume, as for memory, as at least one which displays the range of the consecutive data unit (i) each in volume element and, at least one where (ii) each displays one connection connection entry and (iii) at least is one element pointer, the data unit which is displayed by one element, been the connection part which is displayed the said pointer relation is attached by the connection entry which in the said element, the said one element relation is attached at least in one said connection entry one which element pointer and (iv)In order volume metadeta to give the connection information which is displayed by the said connection entry, the said connection entry relation is acquired to said volume metadeta, one connection pointer and, it includes concerning each connection entry.