Patent ID: 11888935
Assignee: CLUMIO, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 14:
15. A method comprising:
receiving, by a data protection service executable in a cloud and from a site, a first data descriptor corresponding to a backup of the site, wherein the site comprises a physical location at which a data center belonging to an organization is located, wherein the first data descriptor comprises a list of fingerprints for a complete backup data set, and wherein the first data descriptor is partially-populated at the site such that:
the list includes fingerprints identifying data blocks in corresponding backup data from the site for data blocks that have changed from a previous backup from the site; and
the list includes unpopulated locations for excluded fingerprints for data blocks that have not changed from the previous backup from the site;

retrieving, by the data protection service, a second data descriptor corresponding to the previous backup, wherein the second data descriptor is retrieved from the cloud; and
merging, by the data protection service, fingerprints from the second data descriptor into the unpopulated locations in the first data descriptor to complete the first data descriptor.