embed: do not corrupt-check on fresh member

Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>

embed/etcd.go

@@ -123,7 +123,10 @@ func StartEtcd(inCfg *Config) (e *Etcd, err error) {
 		urlsmap types.URLsMap
 		token   string
 	)
+	needCorruptCheck := true
 	if !isMemberInitialized(cfg) {
+		// newly started member does not need corruption check
+		needCorruptCheck = false
 		urlsmap, token, err = cfg.PeerURLsMapAndToken("etcd")
 		if err != nil {
 			return e, fmt.Errorf("error setting up initial cluster: %v", err)
@@ -185,8 +188,10 @@ func StartEtcd(inCfg *Config) (e *Etcd, err error) {
 	// buffer channel so goroutines on closed connections won't wait forever
 	e.errc = make(chan error, len(e.Peers)+len(e.Clients)+2*len(e.sctxs))
 
-	if err = e.Server.CheckInitialHashKV(); err != nil {
-		return e, err
+	if needCorruptCheck {
+		if err = e.Server.CheckInitialHashKV(); err != nil {
+			return e, err
+		}
 	}
 	e.Server.Start()