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Computer system

  • US 6,311,193 B1
  • Filed: 09/28/1998
  • Issued: 10/30/2001
  • Est. Priority Date: 10/13/1997
  • Status: Expired due to Fees
First Claim
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1. A computer system provided with a file system for managing access to files stored in a nonvolatile storage device, comprising:

  • snapshot management means which intervenes between said file system and said nonvolatile storage device, and which creates accumulated blocks of write-in data supplied from said file system, to be supplied to nonvolatile storage device in log form, and stores said accumulated blocks of said write-in data and logical address tag information created based on a logical address and time stamp of said write-in data, in said nonvolatile storage device as a snapshot.

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