Dynamic RDF groups

Details Dynamic RDF groups Dynamic RDF groups

2005-06-21

2005-06-21

Alam, Hosain (Department: 2155)

Electrical computers and digital processing systems: multicomput

Computer-to-computer session/connection establishing

C709S201000, C709S205000, C709S216000, C709S217000, C709S219000, C709S220000, C709S243000, C370S352000, C370S398000, C370S469000, C707S793000, C707S793000, C710S001000, C712S013000, C714S006130, C718S104000

Reexamination Certificate

active

06910075

ABSTRACT:
Described are techniques used in dynamically modifying RDF groups. A system call is issued by a host computer system to execute a remote system call on a first data storage system to create, remove, or modify an RDF group between the first data storage system and another data storage system that is remotely connected to the first data storage system in an RDF switched environment. As part of executing the remote system call, data is pushed from the first to the second data storage systems without having an established link between the data storage systems. Each data storage system performs processing to make the necessary modifications in all directors in accordance with the dynamic RDF group. A status indicating success or failure of the remote system call is returned to the host computer system.

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Pending U.S. Appl. No. 09/997,810, filed Nov. 30, 2001, entitled Dynamic RDF.
Pending U.S. Appl. No. 09/591,827, filed Jun. 12, 2002, entitled Multihop System Calls.

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