发明申请
- 专利标题： DUAL WRITING DEVICE AND ITS CONTROL METHOD
- 专利标题（中）： 双写设备及其控制方法
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申请号： US13094481申请日： 2011-04-26
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公开(公告)号： US20110202718A1公开(公告)日： 2011-08-18
- 发明人: Nobuhiro MAKI , Kenichi Oyamada , Kazuhiko Watanabe , Masaaki Hosouchi
- 申请人： Nobuhiro MAKI , Kenichi Oyamada , Kazuhiko Watanabe , Masaaki Hosouchi
- 优先权： JP2006-114236 20060418
- 主分类号： G06F12/16
- IPC分类号： G06F12/16 ; G06F12/08
摘要：
A data storing system include a first and second storage system, each including a cache memory and a disk drive, and a third storage system coupled to the first and second storage systems and including a third disk drive to provide a third logical volume based on the third disk drive. First and second write data is transmitted from the first storage system to the second storage system according to copy pair management information. A certain storage system, which is one of the first and second storage systems, destages the second write data from a cache memory of the certain storage system to the third logical volume in the third storage system according to a volume and storage conversion table in the certain storage system.
公开/授权文献
- US08127097B2 Dual writing device and its control method 公开/授权日：2012-02-28
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