Disaster recovery

File system disaster recovery techniques provide automated monitoring, failure detection and multi-step failover from a primary designated target to one of a designated group of secondary designated targets. Secondary designated targets may be prioritized so that failover occurs in a prescribed sequ...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Mehta, Rahul, Glitsch, Hans, Place, Paul, Van Horn, Steve
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:File system disaster recovery techniques provide automated monitoring, failure detection and multi-step failover from a primary designated target to one of a designated group of secondary designated targets. Secondary designated targets may be prioritized so that failover occurs in a prescribed sequence. Replication of information between the primary designated target and the secondary designated targets allows failover in a manner that maximizes continuity of operation. In addition, user-specified actions may be initiated on failure detection and/or on failover operations and/or on failback operations.