Patent ID: 11860826
Assignee: ORACLE INTERNATIONAL CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A method comprising:
storing a source data block in a source filesystem and a replica data block in a standby filesystem that is a copy of the source data block in the source filesystem;
including, in each of a source file and a source clone file that is a copy of the source file, same said source data block in the source filesystem;
including, in each of a replica file and a replica clone file that is a copy of the replica file, same said replica data block in the standby filesystem that is the copy of the source data block in the source filesystem;
replacing, in the source file, the source data block with a modified copy of the source data block without modifying the source data block in the source clone file;
replacing, in the replica file, the replica data block with the modified copy of the source data block without modifying the replica data block in the replica clone file.