Detecting and managing missing parents between primary and secondary data stores for content addressed storage

A method and system for locating and eliminating missing parent files within a primary storage device. The method includes identifying a placeholder file on a primary storage device, the placeholder file having an offline reference and being associated with file identification data, identifying a se...

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Bibliographic Details
Main Authors Hagerstrom, Carl F, Hutchinson, Thomas Dixon, Bharthulwar, Shridhar, Tinius, Paul E
Format Patent
LanguageEnglish
Published 06.10.2009
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Summary:A method and system for locating and eliminating missing parent files within a primary storage device. The method includes identifying a placeholder file on a primary storage device, the placeholder file having an offline reference and being associated with file identification data, identifying a secondary file on a secondary storage device using a content address of the secondary file included in the offline reference of the placeholder file, identifying an online reference of the secondary file, determining if the online reference of the secondary file properly references the file identification data of the placeholder file, and updating the online reference of the secondary file so that it includes the file identification data of the placeholder file.