Location-independent RAID group virtual block management
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United States of America Patent
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Feb 9, 2010
Grant Date -
Nov 30, 2006
app pub date -
Aug 2, 2006
filing date -
Mar 21, 2003
priority date (Note) -
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status (Latency Note)
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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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