Patent ID: 11899542
Assignee: INSPUR SUZHOU INTELLIGENT TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 1:
2. The method according to claim 1, wherein after the recording, in metadata of an original file, identification information of the backup file, and recording, in metadata of the backup file, identification information of the original file, the method further comprises:
in response to a determination that a modification instruction for a first target backup file is received, determining whether there is a data object corresponding to the first target backup file;
in response to a determination that there is the data object corresponding to the first target backup file, modifying the data object corresponding to the first target backup file according to data contained in the modification instruction;
in response to a determination that there is no data object corresponding to the first target backup file, determining a second target original file associated with the first target backup file according to identification information recorded in metadata of the first target backup file;
reading a data object of the second target original file; and
determining the data contained in the modification instruction and the data object of the second target original file as the data object of the first target backup file, and storing the data object of the first target backup file.