System, method and a non-transitory computer readable medium for transaction aware snapshot
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United States of America Patent
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Feb 14, 2017
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app pub date -
Jun 12, 2013
filing date -
Jun 12, 2013
priority date (Note) -
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Abstract
A method for generating transaction aware snapshots, the method may include: (a) starting a creation of a certain point in time snapshot for a consistency group that comprises at least one logical volume; (b) detecting that at the certain point in time there is an uncompleted transaction for writing multiple information units to the consistency group; the uncompleted transaction started at a transaction start point in time that precedes the certain point in time; (c) preventing an access to the certain point in time snapshot until a completion of the uncompleted transaction; and (d) associating the multiple information units with at least the certain point in time snapshot.
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