Remote copy method and storage system

Details Remote copy method and storage system Remote copy method and storage system

2011-06-28

2011-06-28

Ellis, Kevin L (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S151000, C711S154000, C711S162000, C707S658000, C707S660000, C710S053000, C710S057000, C710S059000

Reexamination Certificate

active

07971011

ABSTRACT:
A remote copy method for copying data within a first storage apparatus to a second storage apparatus via a network, includes transmitting data from the first storage apparatus in units of first buffer sets each formed by a plurality of first recording exclusive buffers within the first storage apparatus, and receiving the data by the second storage apparatus in units of second buffer sets each formed by a plurality of second recording exclusive buffers within the second storage apparatus, so as to maintain a sequence guarantee with respect to the data that is copied.

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Japanese Office Action issued on Jan. 20, 2009 in corresponding Japanese Patent Application 2005-078014.

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