Determining configuration data in connection with dynamic RDF

Details Determining configuration data in connection with dynamic RDF Determining configuration data in connection with dynamic RDF

2004-11-23

2008-08-05

Peyton, Tammara R (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Transfer termination

C710S031000, C710S037000, C710S036000, C710S038000, C710S005000, C710S016000, C711S111000, C711S112000, C707S793000, C707S793000, C707S793000, C707S793000, C707S793000, C714S004110, C714S006130, C714S043000, C714S748000, C714S749000, C709S208000, C709S217000, C709S229000

Reexamination Certificate

active

07409470

ABSTRACT:
Dynamically creating a communication path between first and second storage devices, includes creating a connection to a source volume on the first storage device and indicating that the source volume is not ready to transmit data on the communication path, after successfully creating the connection to the source volume, creating a connection to a destination volume on the second storage device and initially indicating that portions of one of: the destination volume and the source volume do not contain valid copies of data, where the destination volume accepts data from the source volume, and after successfully creating the connections to the source and destination volumes, indicating that the source volume is ready to transmit data on the communication path. Dynamically creating a communication path between first and second storage devices, may also include creating at least one of: the source volume and the destination volume. Creating the connection to the source volume may include modifying a table containing configuration information for the first storage device. Creating the connection to the destination volume may include modifying a table containing configuration information for the second storage device.

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U.S. Appl. No. 09/998,683, “Reversing a Communication Path Between Storage Devices”, filed Nov. 30, 2001.

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