DATA PROTECTION VIA SOFTWARE CONFIGURATION OF MULTIPLE DISK DRIVES
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United States of America Patent
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Issued Date -
Jul 10, 2008
app pub date -
Jan 9, 2007
filing date -
Jan 9, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A data storage system and a method for managing a data storage system are provided. A storage controller is programmed with a disk configuration for each of one or more logical disk arrays and a protection level k. The available storage space from one or more disk drives in the data storage system is merged into a single virtual address space and the merged storage space is divided into storage segments. Next, the storage segments are allocated among the logical disk arrays and a configuration table is generated indicating the number of storage segments in each logical disk array and the physical location of each storage segment on a disk drive. The configuration table is stored in the storage controller and k copies of data may then be stored on the logical disk arrays.
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