Managing restore operations using data less writes

Managing restore operations using data less writes

A method is used in managing restore operations in storage systems. A state of a logical object is retrieved and a second logical object is placed in a pre-step mode. An instantaneous restore operation between the first logical object and the second logical object is performed. Changed data extents...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HAASE DAVID, DE FOREST MILES A, HAYNES MICHAEL D, SULDHAL DAYANAND, SEELA NAGAPRAVEEN V, MCGRATH PAUL T, TAYLOR ALAN L
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A method is used in managing restore operations in storage systems. A state of a logical object is retrieved and a second logical object is placed in a pre-step mode. An instantaneous restore operation between the first logical object and the second logical object is performed. Changed data extents in the first logical object are identified. Data-less writes are sent to any identified extents in the first logical object.