Subsystems and an integrated system of these subsystems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 31, 2006
Grant Date -
Jan 27, 2005
app pub date -
Jul 16, 2004
filing date -
Jan 28, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A disk subsystem assures the sequence and the coherence of data updating with two or more disk subsystems is provided with an asynchronous remote copy function. A main center 9 includes a computer system having the configuration of slave subsystems 3-2 to 3-n connected with a master disk subsystem 3-1. It secures the coherence between data at the main center 9 and the remote center 10 at the temporary suspension by repeating temporary suspension and release of the temporary suspension of the remote copy by the master subsystem 3-1 at predetermined opportunities. It also repeats temporary suspension and release of the temporary suspension of the remote copy by slave subsystems 3-2 to 3-n connected to it.
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