log("dsync: Unable to call Refresh failed with %s for %#v at %s\n", err, args, c)
			} else {
				ch <- refreshResult{refreshed: refreshed}
				log("dsync: Refresh returned false for %#v at %s\n", args, c)
			}
		}(index, c)
	}

	// Wait until we have either
	//
	// a) received all refresh responses
	// b) received too many refreshed for quorum to be still possible
	// c) timed out
	//