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, C711S206000, C714S006130

Reexamination Certificate

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07660966

ABSTRACT:
A storage operating system is configured to assign volume block numbers (VBNs) to a volume. The system has a plurality of disks, and each disk of the plurality of disks is assigned disk block numbers (DBNs). A raidmap is configured to map the VBNs to the DBNs of the plurality of physical disks, the mapping for a particular disk stored in a disk label for the particular disk. The disk label for the particular disk is then written to the particular disk.

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