Correctly identifying potential anomalies in a distributed storage system
First Claim
1. A method for assisting evaluation of anomalies in a distributed storage system, the method comprising:
- monitoring at least one system metric of the distributed storage system;
maintaining a listing of patterns of the at least one system metric which previously did not result in a failure within one or more nodes of the distributed storage system;
identifying a pattern of the at least one system metric as a potential anomaly in the distributed storage system;
automatically performing a similarity search to determine whether the identified pattern satisfies one or more similarity criteria with at least one pattern of the listing; and
upon positive determination, excepting the identified pattern from being identified as the potential anomaly.
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Abstract
A method for assisting evaluation of anomalies in a distributed storage system is disclosed. The method includes a step of monitoring at least one system metric of the distributed storage system. The method further includes steps of maintaining a listing of patterns of the monitored system metric comprising patterns which previously did not result in a failure within one or more nodes of the distributed storage system, and, based on the monitoring, identifying a pattern (i.e., a time series motif) of the monitored system metric as a potential anomaly in the distributed storage system. The method also includes steps of automatically (i.e. without user input) performing a similarity search to determine whether the identified pattern satisfies one or more predefined similarity criteria with at least one pattern of the listing, and, upon positive determination, excepting the identified pattern from being identified as the potential anomaly.
48 Citations
20 Claims
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1. A method for assisting evaluation of anomalies in a distributed storage system, the method comprising:
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monitoring at least one system metric of the distributed storage system; maintaining a listing of patterns of the at least one system metric which previously did not result in a failure within one or more nodes of the distributed storage system; identifying a pattern of the at least one system metric as a potential anomaly in the distributed storage system; automatically performing a similarity search to determine whether the identified pattern satisfies one or more similarity criteria with at least one pattern of the listing; and upon positive determination, excepting the identified pattern from being identified as the potential anomaly. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system for assisting evaluation of anomalies in a distributed storage system, the system comprising:
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at least one memory configured to store computer executable instructions, and at least one processor coupled to the at least one memory and configured, when executing the instructions, to; monitor at least one system metric of the distributed storage system; maintain a listing of patterns of the at least one system metric which previously did not result in a failure within one or more nodes of the distributed storage system; identify a pattern of the at least one system metric as a potential anomaly in the distributed storage system; automatically perform a similarity search to determine whether the identified pattern satisfies one or more similarity criteria with at least one pattern of the listing; and upon positive determination, except the identified pattern from being identified as the potential anomaly. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. One or more computer readable storage media encoded with software comprising computer executable instructions and when the software is executed operable to perform a method for assisting evaluation of anomalies in a distributed storage system, the method comprising:
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monitoring at least one system metric of the distributed storage system; maintaining a listing of patterns of the at least one system metric which previously did not result in a failure within one or more nodes of the distributed storage system; identifying a pattern of the at least one system metric as a potential anomaly in the distributed storage system; automatically performing a similarity search to determine whether the identified pattern satisfies one or more similarity criteria with at least one pattern of the listing; and upon positive determination, excepting the identified pattern from being identified as the potential anomaly. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification