Maintenance of free resource information in a distributed system

A method for managing a shared resource that is allocated among nodes in a distributed computing system includes receiving periodic reports from the nodes regarding their respective allocations of the resource. Responsive to the periodic reports, an approximate amount of the resource that is free fo...

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Bibliographische Detailangaben
Hauptverfasser: MANDLER BENJAMIN, SCHMUCK FRANK BERNHARD, WYLLIE JAMES CHRISTOPHER, HASKIN ROGER LEE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for managing a shared resource that is allocated among nodes in a distributed computing system includes receiving periodic reports from the nodes regarding their respective allocations of the resource. Responsive to the periodic reports, an approximate amount of the resource that is free for further allocation is determined. Typically, the shared resource is a data storage resource, such as a plurality of disks linked to the nodes by a network, which disks are commonly accessible to multiple ones of the nodes.