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Apparatus and methods for copying, backing up and restoring logical objects in a computer storage system by transferring blocks out of order or in parallel

  • US 6,920,537 B2
  • Filed: 07/17/2002
  • Issued: 07/19/2005
  • Est. Priority Date: 12/31/1998
  • Status: Expired due to Term
First Claim
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1. A method of copying a logical object, the logical object including logical data blocks stored in a plurality of storage segments of a first computer storage device, the logical data blocks being arranged in a logical order within the logical object, the method comprising steps of:

  • identifying a set of the storage segments that includes the logical data blocks;

    copying to a second computer storage device the logical data blocks stored in the identified storage segments, a plurality of the logical data blocks stored in the storage segments being copied in parallel; and

    providing metadata to the second computer storage device identifying the logical order of the logical data blocks in the logical object.

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  • 6 Assignments
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