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Method, system, program, and data structures for maintaining metadata in a storage system
Method, system, program, and data structures for maintaining metadata in a storage system
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机译:用于在存储系统中维护元数据的方法,系统,程序和数据结构
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摘要
Provided are a method, system, program, and data structure for maintaining metadata in a storage system, wherein metadata provides information on customer data in the storage system. A first metadata structure includes a plurality of fields, each field having a field length and including information on a block of customer data. A second metadata structure is generated to include a same plurality of fields in the first metadata structure, each field having the same field length as in the first metadata structure, wherein both the first and second metadata structures provide metadata on a same block of customer data. Metadata is included in at least one field in the second metadata structure from at least one field in the first metadata structure. Metadata is included in at least one field in the second metadata structure that is not included in the first metadata structure.
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