Method of making a backup copy of a memory over a plurality of copying sessions
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United States of America Patent
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Jun 24, 1997
Grant Date -
N/A
app pub date -
Sep 23, 1993
filing date -
Sep 23, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A method is provided for making a backup copy of the content of a memory, e.g., a database, such that the memory is divided into a plurality of segments and a backup copy of individual ones of the segments is made during a respective one of a plurality of independent backup sessions. Each segment may be a predetermined percentage of the memory, and the independent sessions may be separated from one another by a predetermined duration of time, e.g., a day. A full backup of the memory is thus completed during a last one of the backup sessions. An incremental backup copy may be made for each of the blocks of segments whose contents has changed since a previous backup session.
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