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Systems and methods for path-based tier-aware dynamic capacity management in storage network environments

  • US 8,332,860 B1
  • Filed: 12/31/2007
  • Issued: 12/11/2012
  • Est. Priority Date: 12/30/2006
  • Status: Active Grant
First Claim
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1. A computerized process for periodically analyzing a capacity level of component device resources associated with applications in a storage network environment, comprising:

  • collecting information from the component device resources in the storage network environment;

    deriving one or more access paths in the storage network environment associated with each application of a plurality of applications, based on the collected information, wherein each access path comprises an end-to-end logical path between the associated application and a component device resource used by the associated application;

    determining a tier level for each of the component device resources in the storage network environment representative of a level of storage service supported by the resource;

    computing, for each access path associated with an application, a total amount of resources associated with the access path that have been allocated to the access path and the tier levels of the allocated resources;

    collecting information about the total amount of resources that have been reserved for each application and the tier levels of the reserved resources, wherein the reserved resources cannot be used by the application unless allocated, and cannot be allocated or reserved to another application;

    classifying the allocated and reserved resources for each application into tiers, into allocated and reserved resources on access paths associated with the application, and into allocated and reserved resources not on access paths associated with the application, whereby the allocated and reserved resources not on the access paths associated with the application are inaccessible by the application.

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