Schwegman Lundberg & Woessner, P.A.
Data storage space recovery
A write request for the data object is received. The data object is stored at one or more of a plurality of storage nodes according to the write request. A storage manager catalog that maps a data object identification (DOID) for the data object is updated with an actual storage location of the data object, the DOID for a corresponding data object being calculated based on content of the data object, a plurality of data objects being organized into one or more storage volumes. The storage manager catalog includes a count of a number of instances of a data object that is currently referenced for each of the one or more storage volumes.
eBay Inc.
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Vinay Pundalika Anna Mark S.
Rao Povzner Lewis