Remote data replication method and system

An object-based storage system comprising:

• a source site configured to:
• provide a source object comprising a file;
• receive, from a host, an object delete request requesting to delete the file;
• delete the file based on the object delete request;
• and
• write a deleting mark corresponding to deleted file;
• and
• a first target site configured to:
• store a first copy of the file;
• receive delete information that includes the deleting mark and that indicates the file has been deleted;
• and
• delete the first copy of the file based on the delete information,
• wherein the source site is further configured to provide a response to the host after the deletion of the first copy of the file.

A computer program product comprising computer-executable instructions for storage on a non-transitory computer-readable storage medium that, when executed by a processor, cause an object-based storage system to:

• provide, using a source site in the object-based storage system, a source object comprising a file;
• generate, using a first target site in the object-based storage system, a first copy of the file;
• store, using the first target site, the first copy of the file;
• receive, using the source site and from a host, an object delete request requesting to delete the file;
• delete, using the source site, the file based on the object delete request;
• write, by the source site, a deleting mark corresponding to deleted file into the source site;
• send, using the source site and to the first target site, delete information that includes the deleting mark and that indicates the file has been deleted;
• delete, using the first target site, the first copy of the file based on the delete information;
• and
• provide a response to the host after the deletion of both the first copy of the file.