Virtual device architecture having memory for storing lists of driver modules
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United States of America Patent
Stats
-
Apr 22, 2003
Issued Date -
N/A
app pub date -
Jul 2, 1999
filing date -
Mar 25, 1999
priority date (Note) -
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Abstract
A storage server architecture supporting virtual devices and virtual circuits for storing data is provided. The storage server includes a plurality of communication interfaces. A first set of communication interfaces in the plurality is adapted for connection to all kinds of users of data. A second set of communication interfaces in the plurality is adapted for connection to respective devices in a pool of storage devices. Data processing resources in the server are coupled to the plurality of communication interfaces for transferring data among the interfaces. The data processing resources comprise a plurality of driver modules and configurable logic linking driver modules into data paths. Each configured data path acts as a virtual circuit that includes a set of driver modules selected from the plurality of driver modules. A data storage transaction which is received at a communication interface is mapped to one of the configured data paths.
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