公开(公告)号：US20230153010A1

公开(公告)日：2023-05-18

申请号：US17526927

申请日：2021-11-15

Applicant: Commvault Systems, Inc.

Inventor： Hetal KAPADIA ,  Sebastian JOHNSON ,  Ho-Chi CHEN ,  Manoj Kumar VIJAYAN ,  Ganesh HARIDAS

IPC: G06F3/06

CPC classification number: G06F3/0652 ,  G06F3/0604 ,  G06F3/0644 ,  G06F3/067

Abstract: An information management system uses cloud storage resources store secondary copies of primary data created by client computing devices managed by a storage manager. Deduplication operations are performed on the secondary copies, which results in chunk metadata indices that allow for tracking and faster retrieval of the deduplicated secondary copies. The chunk metadata indices may reference data segments of the deduplicated secondary copies. The data segments may be stored in, and across, one or more sub-files. As the secondary copies are aged out from the cloud storage resources, data segments are identified as being orphaned or non-orphaned. Data segments that are orphaned are pruned to remove their corresponding sub-files from the cloud storage resources, where the sub-files are replaced with new sub-files that do not contain the orphaned data segments.