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1. 发明申请

US20060101170A1 Control method for changing input-output object 审中-公开
标题翻译：改变输入输出对象的控制方法
公开(公告)号：US20060101170A1
公开(公告)日：2006-05-11
申请号：US11033376
申请日：2005-01-12
申请人： Masamichi Okajima , Hiroshi Suzuki , Masaru Satou
发明人： Masamichi Okajima , Hiroshi Suzuki , Masaru Satou
IPC分类号： G06F3/06
CPC分类号： G06F3/0647 , G06F3/0605 , G06F3/0635 , G06F3/0683
摘要： A control method for changing an input/output object includes the steps of determining, by an input/output object changing unit on a disk control device for processing an input/output issued by an application program to a logical volume, whether or not change of the input/output object is performed on the basis of identification information of a computer as an input/output issued source having been added to control information and the input/output; performing the input/output by an input-output execution control unit after changing the input/output object from the logical volume into a replica volume of the logical volume if the change is required; and after performing the input/output, reporting an executed result to the application program after restoring the logical volume targeted for the input/output to the logical volume if the change of the targeted logical volume has been performed.
摘要翻译：用于改变输入/输出对象的控制方法包括以下步骤：通过用于处理由应用程序向逻辑卷发出的输入/输出的盘控制装置上的输入/输出对象改变单元，确定是否改变基于作为输入/输出发出源的计算机的识别信息，输入/输出对象被添加到控制信息和输入/输出; 如果需要改变，则将输入/输出对象从逻辑卷改变为逻辑卷的副本卷之后由输入输出执行控制单元执行输入/输出; 并且在执行输入/输出之后，如果已经执行了目标逻辑卷的改变，则在将用于输入/输出的逻辑卷恢复到逻辑卷之后将执行结果报告给应用程序。

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