Data access and management system as well as a method for data access and data management for a computer system

DC CAFC
  • US 8,656,125 B2
  • Filed: 02/17/2011
  • Issued: 02/18/2014
  • Est. Priority Date: 01/11/1999
  • Status: Expired due to Term
First Claim
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1. A non-transitory computer program product for causing a data storage device to copy data over a network by receiving data from or sending data to at least one of a plurality of data storage devices in which data is stored redundantly as a function of measured data transmission performance between at least one computer unit that stores at least one complete file of data, each file including a plurality of individual pieces of data, the pieces containing parts of the file, and the plurality of data storage devices, the computer program product comprising a non-transitory computer-readable medium storing computer-readable program code, the computer-readable program code comprising:

  • a set of instructions for receiving, in the at least one data storage device, at least one piece of data stored by a computer unit in a redundant manner in at least two data storage devices as a function of a measured data transmission performance between the at least one data storage device and the at least one computer unit;

    a set of instructions for storing, in the at least one data storage device, the received piece of data;

    a set of instructions for measuring, by the at least one data storage device, a data transmission performance between the at least one data storage device and another one of the plurality of data storage devices; and

    a set of instructions for sending, from the at least one data storage device to the another data storage device, a copy of the received piece of data for redundant storage as a function of the measured data transmission performance between the data storage devices and independently of an access of the at least one computer unit.

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