Patent ID: 6704755
Filing Date: 2004-03-09
Classification: G06F,Y10S

Abstract:
A system for backing-up at least one source data file, the system comprising:a data server having: storage for at least one source data file, and an agent for detecting changes to the at least one source data file, and for recording in a journal file corresponding to the at least one source data file: the detected changes, and, at least one safe point associated with the detected changes, the at least one safe point based on at least one of: a user operation associated with the journal file, a closed file status associated with the at least one source data file, a write lock status associated with the at least one source data file, and a flush operation associated with the at least one source data file; a backup server having storage for at least one backup file corresponding to the at least one source data file; a dynamic replication process responsive to data within the at least one journal file for modifying the at least one back-up file based on the corresponding at least one journal file; and, a transaction processor for detecting the at least one safe point and directing the dynamic replication process to modify the at least one back-up file based on the detected at least one safe point.