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USING SNAP SPACE KNOWLEDGE IN TIERING DECISIONS
USING SNAP SPACE KNOWLEDGE IN TIERING DECISIONS
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机译:在分层决策中使用快照空间知识
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摘要
A storage system migrates pages of data based on a determination that the page includes snapshot data. Parameters associated with a page (e.g., a page rank) may be updated based on a determination that the page includes snapshot data. A tiering process may subsequently analyze the parameters to determine whether to migrate the page to a different storage tier. A share-write to a page that is referenced by the snapshot volume and a base volume is utilized to migrate pages that include snapshot data.
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