Methods and apparatus for providing hypervisor level data services for server virtualization

A data center for data backup and replication, including a pool of multiple storage units for storing a journal of I/O write commands issued at respective times, wherein the journal spans a history window of a pre-specified time length, and a journal manager for dynamically allocating more storage u...

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Bibliographische Detailangaben
Hauptverfasser: Burshan, Chen, Manor, Yair, Ben-Or, Tomer, Barash, Gil
Format: Patent
Sprache:eng
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Zusammenfassung:A data center for data backup and replication, including a pool of multiple storage units for storing a journal of I/O write commands issued at respective times, wherein the journal spans a history window of a pre-specified time length, and a journal manager for dynamically allocating more storage units for storing the journal as the journal size increases, and for dynamically releasing storage units as the journal size decreases.