Location-independent raid group virtual block management

Electrical computers and digital processing systems: memory – Address formation – Address mapping

Reexamination Certificate

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C711S114000, C714S006220

Reexamination Certificate

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08041924

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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