Fix a bug where StatefulSets continued to update forever (#1702)

* Fix a bug where StatefulSets continued to update forever

---------

Co-authored-by: jiuker <2818723467@qq.com>

pkg/resources/statefulsets/minio-statefulset.go

@@ -30,7 +30,6 @@ import (
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime/schema"
-	"k8s.io/apimachinery/pkg/util/intstr"
 )
 
 const (
@@ -817,29 +816,11 @@ func NewPool(args *NewPoolArgs) *appsv1.StatefulSet {
 		podVolumes = append(podVolumes, t.Spec.SideCars.Volumes...)
 	}
 
-	moreServers := pool.Servers > 4
-	unavailable := intstr.FromInt(1)
-	if moreServers {
-		// if we have more servers than 4 nodes in a statefulset,
-		// we can allow rolling update strategy to roll two pods
-		// at a time instead of just '1' (default), MinIO servers
-		// beyond 4 servers are capable of tolerating a minimum
-		// of 2 replicas being down - this allows for faster
-		// rolling update strategy for all our deployments.
-		unavailable = intstr.FromInt(2)
-	}
-
 	initContainer := getInitContainer(t, operatorImage, pool)
 
 	ss := &appsv1.StatefulSet{
 		ObjectMeta: ssMeta,
 		Spec: appsv1.StatefulSetSpec{
-			UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
-				Type: miniov2.DefaultUpdateStrategy,
-				RollingUpdate: &appsv1.RollingUpdateStatefulSetStrategy{
-					MaxUnavailable: &unavailable,
-				},
-			},
 			PodManagementPolicy: t.Spec.PodManagementPolicy,
 			Selector:            ContainerMatchLabels(t, pool),
 			ServiceName:         serviceName,