Utilizing spare network nodes for deduplication fingerprints database

Method, apparatus, and computer program product utilizing a hot-spare node in a storage network having a deduplication fingerprints database. A plurality of nodes is provided in the storage network including at least one active node and at least one hot-spare node. A portion of the deduplication fin...

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Bibliographische Detailangaben
Hauptverfasser:	Ainscow, Alexander H, Sanders, Lee J, Sasson, Ben, Hutchison, Gordon, Mulholland, Miles
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
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Beschreibung
Zusammenfassung:	Method, apparatus, and computer program product utilizing a hot-spare node in a storage network having a deduplication fingerprints database. A plurality of nodes is provided in the storage network including at least one active node and at least one hot-spare node. A portion of the deduplication fingerprints database is stored on each active node and on each hot-spare node. Data from the deduplication fingerprints database is provided from at least one of said at least one hot-spare node during normal operation. Responsive to a failure of one of said at least one active node, a portion of the deduplication fingerprints database associated with data stored on the failed one of said at least one active node is retained on one of the at least one hot-spare node. The failed one active node is replaced with one of the at least one hot-spare node.