Method and system for maintaining data integrity using dual write operations
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United States of America Patent
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Mar 28, 2006
Grant Date -
N/A
app pub date -
Dec 13, 2001
filing date -
Dec 13, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In one embodiment, a data storage system is provided may include an input/output (I/O) controller, and first and second memory boards. The controller may receive data and a request to store the data in the system, and may include memory for initially storing the data. The first memory board may store, in response to a first memory storage request, a first copy of the data initially stored in the controller. The first memory board may provide to the controller a first status indication indicating whether the first memory board successfully stored the first copy. The second memory board may store, in response to receipt of a second memory storage request, a second copy of the data. The controller may provide a second status indication, indicating whether the request to store the data in the system was successful.
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