Snapshot management apparatus and method, and storage system
作者： Motoaki Satoyama , Naoto Ueda , Koji Honami , Naohiro Fujii
DOI:
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摘要: A high-performance and highly-reliable snapshot management apparatus method, a storage system are provided that can prevent the adverse influence of overhead when they retain multiplicity snapshots. An operational volume is set in area by first plurality difference volumes second apparatus. In response to data writing volume, saved tables for it created, with each being managed according tables. Each table divided one or more snapshots accordance creation time. The any following store specified inheritance information inherit content preceding
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