FILE SYSTEM SUPPORT FOR FILE-LEVEL GHOSTING

FILE SYSTEM SUPPORT FOR FILE-LEVEL GHOSTING

File system-awareness of ghosting performed by one or more tiering engines allows a file system to receive and store metadata indicating an identifier of the tiering engine ghosting the file extents and a storage location of the ghosted file extents for later use by the tiering engine. The file syst...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XIE PING, AGGARWAL ARUSHI, JOLLY TOM, KALACH RAN, DAS RAJ
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:File system-awareness of ghosting performed by one or more tiering engines allows a file system to receive and store metadata indicating an identifier of the tiering engine ghosting the file extents and a storage location of the ghosted file extents for later use by the tiering engine. The file system is able to receive and process requests to read and write to a file having ghosted extents.