Data processing: database and file management or data structures – File or database maintenance – Database backup
Reexamination Certificate
2007-12-26
2010-12-28
Trujillo, James (Department: 2159)
Data processing: database and file management or data structures
File or database maintenance
Database backup
C707S672000, C707S684000, C707S823000, C714S019000
Reexamination Certificate
active
07860836
ABSTRACT:
In one aspect, a method to recover data includes annotating metadata entries in a journal to indicate changes by an application to an object stored in a continuous data protection environment. Each entry of the metadata corresponds to one of a unique group of DO stream data blocks or a unique group of UNDO stream data blocks. The method also includes determining a version of the object that meets criteria by searching the annotated entries and obtaining the version of the object that meets the criteria.In another aspect, a method to recover data includes receiving criteria to recover an object, determining a version of the object that meets the criteria by searching point-in-time images using a DO stream and an UNDO stream and obtaining the version of the object that meets the criteria.
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Ahal Shlomo
Drukh Evgeny
Natanzon Assaf
Daly, Crowley & Mofford & Durkee, LLP
EMC (Benelux) B.V., S.A.R.L.
Phillips, III Albert
Trujillo James
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