SYSTEM AND METHOD FOR CREATING GROUP SNAPSHOTS

SYSTEM AND METHOD FOR CREATING GROUP SNAPSHOTS

System and method for creating group snapshots of multiple storage objects uses storage structures to store the storage objects in a storage system. In order to create a group snapshot of storage objects, a prepare snapshot process is executed at each of multiple host computers managing the storage...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DESAI, Asit, ULUSKI, Derek, Satnur, Sunil, GARTHWAITE, Alexander T, LANGUEV, Ilya, AHUJA, Raveesh
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:System and method for creating group snapshots of multiple storage objects uses storage structures to store the storage objects in a storage system. In order to create a group snapshot of storage objects, a prepare snapshot process is executed at each of multiple host computers managing the storage objects as storage structures to block input and output operations on the storage objects stored in the storage structures. A commit snapshot process is then executed at each of the multiple host computers to create snapshots of the storage object in the respective storage structures. In addition, the snapshots of the storage object are recorded in the respective storage structures as snapshot entries in the respective storage structures.