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Techniques for storing data based upon storage policies

  • US 20030046270A1
  • Filed: 08/30/2002
  • Published: 03/06/2003
  • Est. Priority Date: 08/31/2001
  • Status: Active Grant
First Claim
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1. In a storage environment comprising a plurality of storage devices, a method of identifying a storage device from the plurality of storage devices for storing data, the method comprising:

  • receiving a signal to store a data unit;

    identifying a set of one or more placement rules configured for the storage environment, each placement rule comprising data-related criteria identifying one or more conditions related to one or more characteristics of the data to be stored and device-related criteria identifying one or more conditions related to one or more storage device characteristics;

    calculating a data value score (DVS) for each placement rule in the set of placement rules based upon the data-related criteria of the placement rule and characteristics of the data unit; and

    determining a storage device, from the plurality of storage devices, for storing the data unit based upon the set of placement rules and their associated DVSs, characteristics of the plurality of storage devices, and characteristics of the data unit to be stored.

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