Study of snapshot in disk data copy
Hui He · Jisuanji gongcheng yu sheji · 2006
It's a practical and useful subject to study on how to improve system reliability and availability.An intensive research on the data level disaster tolerance based on disk system.Aimed at the shortage of traditional disk data copy,the snapshot method is applied to involve the problem.Meanwhile a joint disk is introduced,which can visit a seize of snapshot disk more quickly and efficiently.