Method and system for single pass volume scanning for multiple destination mirroring
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United States of America Patent
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May 24, 2011
Grant Date -
N/A
app pub date -
Dec 7, 2009
filing date -
Nov 1, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A method for operating a computer data storage system is disclosed. The system operates an active file system on a first volume of a plurality of volumes of storage devices connected to one or more servers, each volume being a plurality of storage devices. Snapshots of the active file system are stored on one or more destination volumes. A mirroring operation is initiated on a selected server of the one or more servers. A scanner executes on the selected server, the scanner identifying a latest snapshot on each of the one or more destination volumes, the scanner. Data blocks which are newer than a latest snapshot stored at each destination volume are sent to each destination volume.
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