Merge branch 'master' into err

server/cluster/cluster.go

@@ -487,8 +487,10 @@ func (c *RaftCluster) startTSOJobsIfNeeded() error {
 			log.Error("failed to initialize the global TSO allocator", errs.ZapError(err))
 			return err
 		}
-	} else {
-		log.Warn("the global TSO allocator is already initialized")
+	} else if !c.running {
+		// If the global TSO allocator is already initialized, but the running flag is false,
+		// it means there maybe unexpected error happened before.
+		log.Warn("the global TSO allocator is already initialized before, but the cluster is not running")
 	}
 	return nil
 }