Patent ID: 11940956
Assignee: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 6:
7. The article of claim 1, wherein each container index includes a chunk signature entry for each chunk signature it contains; and
wherein the instructions to erase comprise instructions executable to:
in response to the request to erase the first backup item, for each chunk referenced exclusively by the first backup item:
erase the chunk; and
remove, from the at least one container index, the chunk signature entry including the chunk signature that represents the chunk, the chunk signature entry further including at least one persistent item tag corresponding to the chunk signature; and

erase, from the deduplication store, a manifest for the first backup item, the manifest including a list of the chunk signatures that represent chunks that make up a data stream represented by the first backup item.