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 for storage volumes in a cascade of storage volumes including starting a first data map relating a first storage volume to a second storage volume while a second data map relating the first storage volume and a third storage volume is active. Starting the first data map uses a zone map that...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: AGOMBAR John P, MACHLEIDT Stephanie, BEEKEN Christopher B.E
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A method for storage volumes in a cascade of storage volumes including starting a first data map relating a first storage volume to a second storage volume while a second data map relating the first storage volume and a third storage volume is active. Starting the first data map uses a zone map that relates the first storage volume to a zone within the cascade of storage volumes.