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

Claim 17:
18. The method of claim 16, comprising, in response to the request to erase the given backup item:
storing a list of each of the at least one container index containing a chunk signature referenced by any manifest of the given backup item;
in the at least one container index, decrementing a reference count for each chunk signature referenced by any manifest of the given backup item;
after the decrementing, for each chunk signature entry having a reference count of zero, erasing the chunk signature entry and the chunk represented by the chunk signature of that chunk signature entry, each of the chunk signature entries comprising one of the chunk signatures, a respective reference count, and one or more persistent item tags;
erasing each manifest of the given backup item; and
outputting an indication that all information exclusive to the given backup item has been erased.