Method and apparatus for moving logical entities among...

Details Method and apparatus for moving logical entities among... Method and apparatus for moving logical entities among...

2004-11-09

2008-09-23

Peyton, Tammara R (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Transfer direction selection

C710S033000, C711S118000, C711S161000, C711S162000, C707S793000, C707S793000, C707S793000, C709S219000

Reexamination Certificate

active

07428604

ABSTRACT:
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.

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