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| Number | Title | Issue Date |
| 7680996 | Method and system for shrinking a set of data using a differential snapshot, a watch-list structure along with identifying and retaining updated blocks At the beginning of an online backup operation, the backup software system creates a snapshot of source data storage. The snapshot includes a watch-list used for identifying blocks of a source storage which are watched by snapshot management means for update. If a b... | 03/16/2010 |
