Remote mirroring between a primary site and a secondary site

Details Remote mirroring between a primary site and a secondary site Remote mirroring between a primary site and a secondary site

2007-04-13

2011-11-15

Choe, Yong (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S165000

Reexamination Certificate

active

08060712

ABSTRACT:
In one embodiment, a method for remote mirroring includes providing a control entity coupled to a primary site and a secondary site, receiving first memory space information indicative of a location of a first memory space, establishing a remote mirroring relationship between the primary site and the secondary site, copying data from the primary site to the secondary site, and writing status information to the first memory space for storing status information representative of a relationship between data stored in the primary site and destined to be copied to the secondary site and data copied from the primary site to the secondary site.

REFERENCES:
patent: 2006/0010180 (2006-01-01), Kowamura et al.
patent: 2006/0179343 (2006-08-01), Kitamura
patent: 2006/0236048 (2006-10-01), Deguchi et al.
Camargos et al., “A Primary-Backup Protocol for In-Memory Database Replication,” © 2006 IEEE, IEEE Computer Society, Fifth IEEE International Symposium on Network Computing and Applications (NCA '06), pp. 1-8.

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