Method and system for data path verification
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United States of America Patent
Stats
-
Mar 23, 2004
Grant Date -
Apr 3, 2003
app pub date -
Feb 28, 2002
filing date -
Sep 27, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method of verifying data transferred along a data path from one buffer, such as a user buffer in the host system to a second buffer, such as a disc drive buffer on a disc drive system by using the receiving device to test the information and provide a confirmation or error signal to the sending device. The system and method appends non-abstract identification tags to the abstract data in the first buffer, i.e., the data to be stored to and/or read from the storage device. The tags are transmitted along with the abstract data and provide unique information that is used by either the disc drive device or the host system to validate data received from the other. The validation is based on a comparison of the tag values to a predetermined control value that may be received prior to receiving the abstract data.
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