Addressing logical subsystems in a data storage system

Details Addressing logical subsystems in a data storage system Addressing logical subsystems in a data storage system

2004-06-22

2009-08-11

Coulter, Kenneth R (Department: 2441)

Electrical computers and digital processing systems: multicomput

Computer-to-computer data addressing

C709S238000

Reexamination Certificate

active

07574529

ABSTRACT:
A method for transferring data over a network operating in accordance with a protocol, such as the ESCON protocol, that supports a limited logical address range includes establishing a logical path over the network from a host or other device to a second device, such as a storage system, using path logical addresses within the given logical address range. A virtual path is created over the logical path to carry the data from the source to the target, wherein the target logical subsystem has a subsystem logical address which is outside the given logical address range.

REFERENCES:
patent: 5555371 (1996-09-01), Duyanovich
patent: 5640603 (1997-06-01), Meritt et al.
patent: 7143176 (2006-11-01), Gluck et al.
patent: 2003/0088638 (2003-05-01), Gluck et al.

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