Differential health checking of an information management system

  • US 10,437,801 B2
  • Filed: 02/14/2018
  • Issued: 10/08/2019
  • Est. Priority Date: 11/01/2013
  • Status: Active Grant
First Claim
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1. An information management system comprising:

  • a first storage component that participates in a first plurality of storage operations before a change in configuration of the first storage component, and also participates in a second plurality of storage operations after the change in configuration of the first storage component;

    a storage manager that controls the first plurality of storage operations and the second plurality of storage operations;

    a first computing device that comprises one or more processors and computer memory, wherein the computing device hosts a differential health-check module;

    wherein the first computing device is configured to use the differential health-check module to;

    evaluate a first value of a first performance metric that measures at least one characteristic of the first plurality of storage operations in which the first storage component participated before its change in configuration,evaluate a second value of the first performance metric that measures the at least one characteristic of the second plurality of storage operations in which the first storage component participated after its change in configuration, andbased on the first value of the first performance metric and the second value of the first performance metric,detect a change in performance of the first storage component after its change in configuration as compared to before its change in configuration.

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