Identification of storage system elements causing performance degradation
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United States of America Patent
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Aug 16, 2016
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app pub date -
Dec 2, 2015
filing date -
Dec 2, 2015
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Abstract
The invention relates to a digital storage system, wherein the digital storage system includes one or more digital storage system elements. The digital storage system elements comprise a plurality of digital storage devices, and one or more network components to connect the digital storage elements. Execution of the machine executable instructions causes a processor to repeatedly record performance metric data descriptive of the performance of the storage system elements in the database, locate outliers in the performance metric data using a statistical algorithm, and to calculate a problem contribution probability value for at least a portion of the outliers. The problem contribution probability value is weighted using an instantiated configuration dependency tree and an instantiated performance metric dependency tree. The processor uses the problem contribution probability value to determine a sequential list of outliers. The order in the sequential list is determined using the problem contribution probability value.
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