System, method and computer program product for copying data

A storage system and a method for copying data is provided. The method includes storing data at a first storage unit of a primary site, transferring the data from the first storage unit to a second storage unit of a remote site and updating shadow storage unit metadata to reflect the storing of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Bitar, Akram, Fienblit, Shachar
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A storage system and a method for copying data is provided. The method includes storing data at a first storage unit of a primary site, transferring the data from the first storage unit to a second storage unit of a remote site and updating shadow storage unit metadata to reflect the storing of the data at the first storage unit, and copying, in response to the updating of the shadow storage unit metadata, the data from an entity that differs from the shadow storage unit to a third storage unit.