METHOD AND SYSTEM FOR CASCADED FLASHCOPY ZONING AND ALGORITHM AND/OR COMPUTER PROGRAM CODE AND METHOD IMPLEMENTING THE SAME

METHOD AND SYSTEM FOR CASCADED FLASHCOPY ZONING AND ALGORITHM AND/OR COMPUTER PROGRAM CODE AND METHOD IMPLEMENTING THE SAME

A method of performing cascaded flashcopy (FC) including starting a flashcopy map when a target disk is already a source of an active FC map. A computer storage system includes a configuration that allows a flashcopy (FC) map to be started when a target disk is already the source of an active FC map...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: BEEKEN CHRISTOPHER B. E, MACHLEIDT STEPHANIE, AGOMBAR JOHN P
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A method of performing cascaded flashcopy (FC) including starting a flashcopy map when a target disk is already a source of an active FC map. A computer storage system includes a configuration that allows a flashcopy (FC) map to be started when a target disk is already the source of an active FC map.