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Method to recover metadata in a content aware storage system
Method to recover metadata in a content aware storage system
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机译:在内容感知存储系统中恢复元数据的方法
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摘要
A method is disclosed for recovering metadata, the method comprising: identifying a corrupt or missing metadata entry, the corrupt or missing metadata entry being part of a mapping structure that is stored in a random-access memory (RAM) of a storage system; selecting a metadata backup page that is associated with the mapping structure; identifying a plurality of copies of the selected metadata backup page; identifying a most recent copy among the plurality of copies of the selected metadata backup page; and recovering the corrupt or missing metadata entry based on the most recent one of the plurality of copies of the metadata backup page.
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