System and method for efficient space accounting in a file system with snapshots

A system and method for implementing on-the-fly block ownership accounting of snapshots in a file system is provided. For each snapshot, including the current active file system, the number of blocks that the snapshot is the youngest and oldest owner of is computed and stored in non-volatile storage...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LEWIS BLAKE H, KAHN ANDY C
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
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