Monitoring and Reporting Normalized Device System Performance
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Abstract
Apparatus and computer program products are provided to monitor and report performance data of a device such as a data storage drive. A plurality of quantitative values are obtained from feedback and measurement mechanisms in a data storage device of a first model during operation of the storage device. The plurality of quantitative values are normalized. Then, one or more qualitative values are generated from one or more normalized quantitative values and evaluated against corresponding baseline performance values established for the first model.
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Citations
43 Claims
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1-27. -27. (canceled)
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28. A device performance monitor to which a data storage device of a first model is coupled, the data storage device including a plurality of feedback and measurement mechanisms which normalize quantitative values of the data storage device to device-specific standards for the data storage device by scaling the quantitative values to a set of values which are common to the data storage device and adjusted to a form which is consistent across different data storage devices, the controller comprising:
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means for receiving a plurality of normalized values from the mechanisms during operation of the data storage device; means for generating one or more qualitative values from one or more received normalized quantitative values; and means for evaluating the one or more qualitative values against corresponding baseline performance values established for the first model. - View Dependent Claims (29, 30, 31)
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32. A data storage device, comprising:
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a plurality of count sources; a plurality of counters coupled to receive feedback and control information from the count sources; a determiner coupled to control operation of the counters; algorithms operable to normalize values in the counters to device-specific standards for the data storage device by scaling the feedback and control information to a set of values which are common to the data storage device and adjusted to a form which is consistent across different data storage devices and generate normalized performance characteristics; and a reporting output coupled to output the normalized performance characteristics to a device performance monitor for evaluation against corresponding baseline performance values. - View Dependent Claims (33, 34, 35)
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36. A computer program product of a computer readable medium usable with a programmable computer, the computer program product having computer-readable code embodied therein for monitoring and reporting performance data of a data storage device, the computer-readable code comprising instructions for:
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obtaining a plurality of quantitative values from feedback and measurement mechanisms in a data storage device of a first model during operation of data storage device; normalizing the quantitative values to device-specific standards for the data storage device by scaling the quantitative values to a set of values which are common to the data storage device and adjusted to a form which is consistent across different data storage devices; generating one or more qualitative values from one or more normalized quantitative values; and evaluating the one or more qualitative values against corresponding baseline performance values established for the first model. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43)
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Specification