公开(公告)号：US20240403169A1

公开(公告)日：2024-12-05

申请号：US18802291

申请日：2024-08-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xingkun Yang ,  Keyun Chen

IPC: G06F11/14

Abstract: A storage device stores a data copy in a form of a data backup chain. The data backup chain records data copies in the storage device in a time sequence of backing up the data copies to the storage device. Any data access instance has a data access function, and the data access instance can process a data access request. The data access instance may perform a data backup, and back up data in storage space of the data access instance to the storage device as a data copy in the data backup chain. With support of the storage device, the data access instance further has a data disaster recovery function and a data tiering function.

公开(公告)号：US12141106B2

公开(公告)日：2024-11-12

申请号：US17812776

申请日：2022-07-15

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Vaiapuri Ramasubramaniam ,  Xingkun Yang

IPC: G06F16/00 ,  G06F16/178 ,  G06F16/182

Abstract: A file system cloning method and apparatus is provided. In the method, a destination storage system first receives first information from a source storage system in which a file system runs. The first information is used to indicate a data layout of the file system. Then, the destination storage system creates a cloned file system of the file system based on the first information.