发明授权
- 专利标题： Method and apparatus for controlling read and write accesses to a logical entity
- 专利标题（中）： 控制对逻辑实体的读和写访问的方法和装置
-
申请号： US09605201申请日： 2000-06-27
-
公开(公告)号： US06978324B1公开(公告)日： 2005-12-20
- 发明人: David Black
- 申请人： David Black
- 申请人地址： US MA Hopkinton
- 专利权人： EMC Corporation
- 当前专利权人： EMC Corporation
- 当前专利权人地址： US MA Hopkinton
- 代理机构： Wolf, Greenfield & Sacks, P.C.
- 主分类号： G06F3/06
- IPC分类号： G06F3/06 ; G06F11/00 ; G06F11/14 ; G06F11/20 ; G06F12/00 ; G06F12/08 ; G06F13/00
摘要：
Method and apparatus are disclosed for moving logical data entities from one storage element to another storage element in a computer storage system, when more than one user or host computer may access the logical entity. According to one embodiment of the method, all of the read requests for the logical entity are moved to a new copy of the logical entity, before writes for logical entity are moved to the new copy.