_GetServerVolume
ServerVolume* serverVolume = _GetServerVolume(params->serverName);
ServerVolume* serverVolume = _GetServerVolume(serverInfo->GetAddress());
ServerVolume* serverVolume = _GetServerVolume(newInfo->GetAddress());
ServerVolume* serverVolume = _GetServerVolume(serverInfo->GetAddress());
ServerVolume* _GetServerVolume(const char* name);
ServerVolume* _GetServerVolume(const NetAddress& address);