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    Method, system, and program for managing information on relationships between target volumes and source volumes when performing adding, withdrawing, and disaster recovery operations for the relationships
    3.
    发明申请
    Method, system, and program for managing information on relationships between target volumes and source volumes when performing adding, withdrawing, and disaster recovery operations for the relationships 失效
    用于管理目标卷和源卷之间的关系的方法，系统和程序，用于在关系中执行添加，撤销和灾难恢复操作

    公开(公告)号：US20040260870A1

    公开(公告)日：2004-12-23

    申请号：US10463997

    申请日：2003-06-17

    申请人： International Business Machines Corporation

    发明人： Michael E. Factor ,  Amiram Hayardeny ,  Thomas Charles Jarvis ,  Gail Andrea Spear ,  William Frank Micka ,  Sivan Tal ,  Dallt Tzafrir ,  Rivka Mayraz Matosevich ,  Sheli Rahav ,  Ifat Nuriel ,  Shachar Fienblit ,  Svetlana Shukevich

    IPC分类号： G06F012/08

    CPC分类号： G06F11/0727 ,  G06F11/0793 ,  G06F11/2069 ,  G06F11/2071 ,  G06F12/0866

    摘要： Provided are a method, system, and program for managing a relationship between one target volume and one source volume. Information is maintained in memory on an existing relationship between at least one source volume and at least one target volume, comprising: (i) at least one element, wherein each element represents a range of sequential data units in the volume; (ii) at least one relationship entry, wherein each relationship entry represents one relationship; and (iii) at least one element pointer associating one element with one relationship entry, wherein the data units represented by the element are part of the relationship represented by the relationship entry that the pointer associates with the element. A new relationship between at least one target volume and at least one source volume is added. Further, added is a new relationship entry in the memory representing the new relationship and one new element pointer is added in the memory for each element including data units included in the new relationship to associate the element with the new relationship entry, wherein the data units represented by the element are part of the new relationship.

    摘要翻译： 提供了一种用于管理一个目标卷和一个源卷之间的关系的方法，系统和程序。 信息在至少一个源卷和至少一个目标卷之间的现有关系中保存在存储器中，包括：（i）至少一个元素，其中每个元素表示该卷中的顺序数据单元的范围; （ii）至少一个关系条目，其中每个关系条目表示一个关系; 和（iii）将一个元素与一个关系条目相关联的至少一个元素指针，其中由该元素表示的数据单元是由该指针与元素相关联的关系条目表示的关系的一部分。 添加至少一个目标卷与至少一个源卷之间的新关系。 此外，添加了表示新关系的存储器中的新关系条目，并且在存储器中为包括在新关系中的数据单元的每个元素添加一个新元素指针，以将元素与新关系条目相关联，其中数据单元 由元素代表的是新关系的一部分。

    Method, system, and program for managing a relationship between one target volume and one source volume
    4.
    发明申请
    Method, system, and program for managing a relationship between one target volume and one source volume 失效
    用于管理一个目标卷和一个源卷之间的关系的方法，系统和程序

    公开(公告)号：US20040260869A1

    公开(公告)日：2004-12-23

    申请号：US10463968

    申请日：2003-06-17

    申请人： International Business Machines Corporation

    发明人： Michael E. Factor ,  Amiram Hayardeny ,  Thomas Charles Jarvis ,  Gail Andrea Spear ,  William Frank Micka ,  Sivan Tal ,  Dalit Tzafrir ,  Rivka Mayraz Matosevich ,  Sheli Rahav ,  Ifat Nuriel ,  Shachar Fienblit ,  Svetlana Shukevich

    IPC分类号： G06F012/08

    CPC分类号： G06F3/065 ,  G06F3/0614 ,  G06F3/064 ,  G06F3/0683 ,  G06F11/1435 ,  Y10S707/99953 ,  Y10S707/99954

    摘要： Provided are a method, system, and program for managing a relationship between one target volume and one source volume. For each of the source volume and target volume, the memory includes: (i) at least one element, wherein each element represents a range of sequential data units in the volume; (ii) at least one relationship entry, wherein each relationship entry represents one relationship; (iii) at least one element pointer associating one element with one relationship entry, wherein the data units represented by the element are part of the relationship represented by the relationship entry that the pointer associates with the element; and (iv) one relationship pointer for each relationship entry associating the relationship entry with volume metadata, wherein the volume metadata provides information on the relationship represented by the relationship entry.

    摘要翻译： 提供了一种用于管理一个目标卷和一个源卷之间的关系的方法，系统和程序。 对于源卷和目标卷中的每一个，存储器包括：（i）至少一个元素，其中每个元素表示卷中的顺序数据单元的范围; （ii）至少一个关系条目，其中每个关系条目表示一个关系; （iii）将一个元素与一个关系条目相关联的至少一个元素指针，其中由该元素表示的数据单元是由指针与元素相关联的关系条目表示的关系的一部分; 以及（iv）将关系条目与卷元数据相关联的每个关系条目的一个关系指针，其中所述卷元数据提供关于由关系条目表示的关系的信息。