reseting default, and renaming flags

cmd/kube-controller-manager/app/options/options.go

@@ -95,7 +95,7 @@ func NewCMServer() *CMServer {
 			ConcurrentGCSyncs:        20,
 			ClusterSigningCertFile:   "/etc/kubernetes/ca/ca.pem",
 			ClusterSigningKeyFile:    "/etc/kubernetes/ca/ca.key",
-			ReconcilerSyncLoopPeriod: metav1.Duration{Duration: 1 * time.Minute},
+			ReconcilerSyncLoopPeriod: metav1.Duration{Duration: 5 * time.Second},
 		},
 	}
 	s.LeaderElection.LeaderElect = true
@@ -182,8 +182,8 @@ func (s *CMServer) AddFlags(fs *pflag.FlagSet) {
 	fs.Float32Var(&s.SecondaryNodeEvictionRate, "secondary-node-eviction-rate", 0.01, "Number of nodes per second on which pods are deleted in case of node failure when a zone is unhealthy (see --unhealthy-zone-threshold for definition of healthy/unhealthy). Zone refers to entire cluster in non-multizone clusters. This value is implicitly overridden to 0 if the cluster size is smaller than --large-cluster-size-threshold.")
 	fs.Int32Var(&s.LargeClusterSizeThreshold, "large-cluster-size-threshold", 50, "Number of nodes from which NodeController treats the cluster as large for the eviction logic purposes. --secondary-node-eviction-rate is implicitly overridden to 0 for clusters this size or smaller.")
 	fs.Float32Var(&s.UnhealthyZoneThreshold, "unhealthy-zone-threshold", 0.55, "Fraction of Nodes in a zone which needs to be not Ready (minimum 3) for zone to be treated as unhealthy. ")
-	fs.BoolVar(&s.DisableAttachDetachReconcilerSync, "disable-attach-detach-reconcile", false, "Disable volume attach detach reconciler sync.")
-	fs.DurationVar(&s.ReconcilerSyncLoopPeriod.Duration, "reconcile-sync-loop-period", s.ReconcilerSyncLoopPeriod.Duration, "The reconciler sync wait time between volume attach detach.")
+	fs.BoolVar(&s.DisableAttachDetachReconcilerSync, "disable-attach-detach-reconcile", false, "Disable volume attach detach reconciler sync. Disabling this may cause volumes to be mismatched with pods. Use wisely.")
+	fs.DurationVar(&s.ReconcilerSyncLoopPeriod.Duration, "attach-detach-reconcile-period", s.ReconcilerSyncLoopPeriod.Duration, "The reconciler sync wait time between volume attach detach. This duration must be larger than one second, and increasing this value from the default my allow for volume mismatches.")
 
 	leaderelection.BindFlags(&s.LeaderElection, fs)
 	config.DefaultFeatureGate.AddFlag(fs)

hack/verify-flags/known-flags.txt

@@ -636,4 +636,4 @@ viper-config
 log-lines-total
 run-duration
 disable-attach-detach-reconcile
-reconcile-sync-loop-period
+attach-detach-reconcile-period