The synchronous remote copy management module RM is software.

The synchronous remote copy management module, commonly referred to as the Remote copy Management (RM) module in Huawei's storage architecture, is indeed a software component. It is a functional module integrated into the storage system's operating software that runs on the controllers. Its primary responsibility is to manage the entire remote replication process, including I/O forwarding, data synchronization, link management, and maintaining data consistency between the primary and secondary storage systems.

The statement is not false. The RM module is not a physical hardware component like a CPU, memory module, or interface card. It is a logical entity—a piece of software code—that executes on the general-purpose hardware of the storage controller to provide the remote replication functionality.

1. Huawei HCIA-Storage V5.0 Training Material (Document ID: H13-611). In the chapter covering "Data Protection Technology and Application," the section on "Remote Replication Technology" describes the working principles of synchronous remote replication. The diagrams and process flow explicitly show the Remote copy Management (RM) module as a logical, software-based entity on both the primary and secondary storage arrays that intercepts write I/Os from the cache and manages their transmission to the remote site. This confirms its nature as a software module. (Refer to sections on HyperReplication principles).

2. Huawei OceanStor Dorado V6 Product Documentation. The technical white papers on HyperReplication (Huawei's remote replication feature) detail the software architecture. They describe the I/O process flow where the "replication management module" (RM) is a key software layer responsible for managing consistency groups and data transmission, operating between the cache and the communication protocol layers. This documentation consistently treats it as a software function, not a dedicated hardware unit. (Refer to "HyperReplication Feature Guide" for the specific storage model).