Location-independent raid group virtual block management
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United States of America Patent
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Oct 18, 2011
Grant Date -
Apr 15, 2010
app pub date -
Dec 17, 2009
filing date -
Mar 21, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A computer storage system is described. A range of volume block numbers (VBNs) is assigned to a volume. A range of storage device block numbers (DBNs) is assigned to each of a plurality of storage devices. A first mapping parameters are created to map a first range of VBN numbers to a first selected range of DBNs using a first portion of a new storage device. A second mapping parameters are created to map a second range of VBN numbers to a second range of DBNs on a second portion of the new storage device.
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