Patent ID: 8566519
Filing Date: 2013-10-22
Classification: G06F

Abstract:
1. A method to provide seed data from a deduplicating data storage system to seed a further deduplicating data storage system using removable storage, the method comprising: using a computer processor, processing a plurality of logical storage unit manifests, the plurality of manifests comprising respective pluralities of chunk identifiers identifying data chunks in a deduplicated data chunk store, where each of the plurality of manifests is associated with a corresponding level of duplication of the chunk identifiers in the respective manifest, the processing including selecting at least one preferred manifest or preferred combination of manifests from among the plurality of manifests based on the levels of duplication of the chunk identifiers within the respective manifests; and providing removable physical storage bearing preferred seed data corresponding to data chunks identified by the at least one preferred manifest or preferred combination of manifests.