A file delta merely expresses the difference between two files. 一個文件的增量僅僅表達了兩個文件的不同。
There should be no allocation minimum, and growth of a provisioned volume should not have to be done in certain size increments. 產品不應該在最小需求的時候進行容量分配,但如果未能達到一定的增量也不應該增加卷的增量分配。