PRIORITIZED THIN PROVISIONING WITH EVICTION OVERFLOW BETWEEN TIERS

PRIORITIZED THIN PROVISIONING WITH EVICTION OVERFLOW BETWEEN TIERS

A computer system configured to thinly provision a plurality of logical volumes over a plurality of types of storage. The plurality of logical volumes includes (1) a first logical volume that is thinly provisioned over a first type of storage, and (2) a second logical volume that is thinly provision...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HOPE, Taylor Alan, SHANKAR, Vinod R
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A computer system configured to thinly provision a plurality of logical volumes over a plurality of types of storage. The plurality of logical volumes includes (1) a first logical volume that is thinly provisioned over a first type of storage, and (2) a second logical volume that is thinly provisioned over a second type of storage. The status of the plurality of logical volumes is monitored to detect one or more events associated with at least one of the plurality of logical volumes. In response to detecting a particular event among the one or more events, a set of data stored in a portion of the first logical volume is selected. The selected set of data is copied to the second logical volume, and the portion of the first logical volume that stores the set of data is deallocated.