This statement is used to set the state of the specified replica.

This command is currently only used to manually set the status of certain replicas to BAD or OK, allowing the system to automatically repair these replicas

The following properties are currently supported:

1. “backend_id”: Required. Specify Backend Id.
2. “status”: Required. Specifies the state. Currently only “bad” or “ok” are supported

If the specified replica does not exist, or the status is already bad, it will be ignored.