| 主权项 |
1. A copy control apparatus, comprising:
a processor configured to record, in update location information, an update count for each of sectional areas obtained by sectioning a copy-source area, the update count indicating a number of updates of data in a sectional area, the update count being indicative of more than two values, perform first copy of copying data in the copy-source area to a copy-destination area based on the update location information, deter the first copy for data in a sectional area for which an update count indicating more than a predetermined number is recorded in the update location information, store updated data in an updating order in a copy-source buffer area, the updated data being data in the copy-source area and updated in the updating order, the copy-source buffer area being divided into generations, perform second copy of copying data in the copy-source buffer area to the copy-destination area, and deter the second copy for first data in the copy-source buffer area of a first generation when the copy-source buffer area of a second generation later than the first generation includes second data, the first data being data in a first location in the copy-source area, the second data being data in the first location in the copy-source area. |
