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Data Recovery in a Geographically Diverse Storage System Employing Erasure Coding Technology and Data Convolution Technology
Data Recovery in a Geographically Diverse Storage System Employing Erasure Coding Technology and Data Convolution Technology
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机译:采用擦除编码技术和数据卷积技术的地理位置多样化存储系统中的数据恢复
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摘要
Data convolution for geographically diverse storage is disclosed. Data and corresponding convolutions of data can employ erasure coding to improve robustness of access to information represented in the data. For a peer group of chunks employing a given erasure coding scheme, access to the information represented in the data can be via accessible chunks and/or recovery of a less-accessible chunk, e.g., via a deconvolution operation, via a decoding operation, via a mix of deconvolution and decoding operations. The mix of deconvolution and decoding operations can enable recovery of a less-accessible chunk that cannot be recovered by either a deconvolution or decoding operation alone. This can improve access to information represented in less-available data.
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