1. A method for a set of servers to respond to a request for a remote operation, wherein said request is issued in a local server in said set of servers, said method comprising the steps of: (a) said local server performing a local operation arising from said request, wherein said step (a) includes the steps of: (1) said local server blocking new requests in response to said request, (2) said local server completing service of requests in progress, and (3) said local server executing said local operation; and (b) a remote server in said set of servers performing said remote operation arising from said request, wherein said step (b) includes the steps of: (1) said remote server blocking new requests in response to said request, (2) said remote server completing service of requests in progress, and (3) said remote server executing said remote operation.