Remote dual copy of data in computer systems
作者： James Bodwin , James Bergsten , David King , William Nadzam
DOI:
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摘要: A method and apparatus for achieving remote dual copy of data in a computer system (100) provides from first storage device (104) to be copied onto second (106) that is located great distance the (104). cache processor (128) used at site form record written (104), by host (102) site. The transmitted (138) distant uses update whereby an identical on maintained. Another aspect invention allows migrated via between devices same location so servicing non-disruptive tape backup may performed one devices.
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