System executing log data transfer synchronously and database data transfer asynchronously
作者： Takashi Oeda , Kota Yamaguchi , Nobuo Kawamura
DOI:
关键词: Transfer (computing) 、 Data transmission 、 Data loss 、 Rollback 、 Asynchronous communication 、 Process (computing) 、 Disaster recovery 、 Database 、 Transaction log 、 Computer science
摘要: A disaster recovery system and a method therefor, having: function for receiving write requests from host computer to log information indicating the contents of database process executed buffer on main site, data updated status position used recovery; transferring received request site by synchronous remote copy process; an asynchronous process. While can be at long distance without loss, deterioration performance suppressed.
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