METRO CLUSTER FOR VIRTUAL VOLUMES

METRO CLUSTER FOR VIRTUAL VOLUMES

A technique for deploying virtual volumes in a metro cluster across first and second arrays includes impersonating a third array that purports to host single-site virtual volumes. The technique further includes mapping the single-site virtual volumes purportedly hosted by the third array to respecti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Shusharin, Alexey Vladimirovich, Tylik, Dmitry Nikolayevich, Halstead, Mark J, Specht, Michael
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A technique for deploying virtual volumes in a metro cluster across first and second arrays includes impersonating a third array that purports to host single-site virtual volumes. The technique further includes mapping the single-site virtual volumes purportedly hosted by the third array to respective pairs of actual virtual volumes. Each pair includes a first virtual volume in the first array and a second virtual volume in the second array and realizes a stretched virtual volume, with writes being mirrored between the virtual volumes of each pair.