发明授权
US07971097B2 Data restoring method and an apparatus using journal data and an identification information 有权
数据恢复方法和使用日志数据和识别信息的装置

Data restoring method and an apparatus using journal data and an identification information
摘要:
A host and a storage system each keep a shared identifier indicating a state of a system. The storage system acquires, at update of data, a data pair including data for a change through processing of the host and data before the update. The storage system relates the data pair to a shared identifier. When the host indicates an identifier, the storage system restores data using the data pair.
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