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Systems and methods for migrating components in a hierarchical storage network

  • US 10,133,507 B2
  • Filed: 01/29/2018
  • Issued: 11/20/2018
  • Est. Priority Date: 12/19/2005
  • Status: Expired due to Fees
First Claim
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1. A method of automatically transferring a storage resource from a first storage operation cell to a second storage operation cell, the method comprising:

  • monitoring a first operational characteristic of a first storage resource in the first storage operation cell wherein the first operational characteristic has an associated first threshold;

    copying at least a first portion of the primary data to one or more secondary storage devices to create secondary data of the primary data;

    identifying a second storage operation cell comprising a second storage resource having a second operational characteristic that does not exceed a second threshold;

    determining whether at least a portion of the first storage resource may be transferred to the second storage operation cell such that the transfer is capable of causing the first operational characteristic to remain within the first threshold;

    automatically transferring at least a portion of the first storage resource to the second storage operation cell if the first operational characteristic is near or exceeds the first threshold, and automatically transferring management information associated with the first storage operation cell to the second storage, operation cell; and

    determining that the management information associated with the second storage operation cell is incomplete and performing a restore operation from at least a portion of the secondary data stored in the one or more secondary storage devices to restore the copy of the management information stored in association with the second storage operation cell.

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