公开(公告)号：US06895466B2

公开(公告)日：2005-05-17

申请号：US10230831

申请日：2002-08-29

申请人： Kevin L. Gibble ,  Gregory T. Kishi ,  Jonathan W. Peak

发明人： Kevin L. Gibble ,  Gregory T. Kishi ,  Jonathan W. Peak

IPC分类号： G06F3/06 ,  G06F12/00 ,  G06F12/08 ,  G06F13/00

CPC分类号： G06F3/0605 ,  G06F3/0647 ,  G06F3/0686 ,  Y10S707/99953 ,  Y10S707/99955

摘要： A method to assign a premigration pseudotime attribute and a stubbing pseudotime attribute to a logical volume. The method defines a plurality of host requests, and associates with each host request a pseudotime range. The method further maintains a logical volume in a first information storage medium at a first time, and determines if a user provides a host request for that logical volume. If a user provides a host request for that logical volume, then the method assigns to the logical volume a premigration pseudotime attribute, and a stubbing pseudotime attribute, comprising a time within the pseudotime range associated with the host request. If, on the other hand, a user does not provide a host request for the logical volume, then the method assigns to that logical volume the first time as said premigration pseudotime attribute, and said first time as said stubbing pseudotime attribute. The method saves the assigned premigration pseudotime attribute and the assigned stubbing pseudotime attribute for later use.

摘要翻译： 将一个预迁移伪时间属性和一个存根伪时间属性分配给逻辑卷的方法。 该方法定义了多个主机请求，并且与每个主机请求伪随机范围相关联。 该方法还在第一时间内维护第一信息存储介质中的逻辑卷，并且确定用户是否提供对该逻辑卷的主机请求。 如果用户提供对该逻辑卷的主机请求，则该方法向逻辑卷分配预迁移伪时间属性和包含与主机请求相关联的伪时间范围内的时间的存根伪时间属性。 另一方面，如果用户不提供对逻辑卷的主机请求，则该方法首次作为所述预迁移伪时间属性分配给该逻辑卷，并且所述第一次作为所述存根伪时间属性。 该方法保存分配的预迁移伪时间属性和分配的存根伪时间属性供以后使用。