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Method and apparatus for recovery of the association of construct definitions with logical volumes in a virtual tape server

  • US 7,197,518 B2
  • Filed: 08/29/2002
  • Issued: 03/27/2007
  • Est. Priority Date: 08/29/2002
  • Status: Expired due to Fees
First Claim
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1. A method for recovery of a construct association with a logical volume in a virtual tape server (VTS) system, the method comprising:

  • identifying a plurality of logical volumes;

    recognizing a plurality of constructs originally associated with one or more of the logical volumes, the constructs comprising a storage group construct for determining a pool of stack volumes, a management class construct for determining whether a secondary copy of a logical volume should be made, and a storage class construct for determining whether a logical volume should remain in cache;

    implementing a recovery action to recover the association of a construct with a logical volume as determined by a construct type, the recovery action including storing the association of a construct in a database, andwherein implementing the recovery action to recover the construct association comprises recovering a storage group construct association during a logical volume insert process by a host.

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