Article of manufacture and system for fast reverse restore

Article of manufacture and system for fast reverse restore

Techniques are provided for performing a copy operation. A fast reverse restore command indicating a new source and a new target is received, wherein the new source is an original target and the new target is an original source. A synchronous scan is performed on the new target. A new target structu...

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Bibliographische Detailangaben
Hauptverfasser: MATOSEVICH RIVKA MAYRAZ, SPEAR GAIL ANDREA, NURIEL IFAT, RAHAV SHELI, TZAFRIR DALIT, FACTOR MICHAEL E, FIENBLIT SHACHAR, BARTFAI ROBERT FRANCIS
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:Techniques are provided for performing a copy operation. A fast reverse restore command indicating a new source and a new target is received, wherein the new source is an original target and the new target is an original source. A synchronous scan is performed on the new target. A new target structure associated with the new target is updated using a new source structure associated with the new source. Techniques are also provided for performing a copy operation in which a fast reverse restore command is received after an instant virtual copy has been performed from a new target to a new source and wherein the fast reverse restore command is performed before a background copy has been performed by the instant virtual copy.