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Log for selective management of specific address in a shadow storage system

  • US 5,546,536 A
  • Filed: 03/23/1995
  • Issued: 08/13/1996
  • Est. Priority Date: 06/30/1989
  • Status: Expired due to Term
First Claim
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1. A method of managing data stored in a shadow set of storage media comprising a first storage medium and a second storage medium each accessible by a plurality of data processing devices, said method comprising the steps of:

  • A. maintaining a log of information associated with write commands received from the data processing devices, comprising the steps of;

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