diff --git a/pkg/model/components/etcdmanager/options.go b/pkg/model/components/etcdmanager/options.go
index 26f9196e3c..461f59fba5 100644
--- a/pkg/model/components/etcdmanager/options.go
+++ b/pkg/model/components/etcdmanager/options.go
@@ -49,7 +49,9 @@ func (b *EtcdManagerOptionsBuilder) BuildOptions(o interface{}) error {
 			etcdCluster.Backups.BackupStore = urls.Join(base, "backups", "etcd", etcdCluster.Name)
 		}
 
-		if !etcdVersionIsSupported(etcdCluster.Version) {
+		version := strings.TrimPrefix(etcdCluster.Version, "v")
+
+		if !etcdVersionIsSupported(version) {
 			if featureflag.SkipEtcdVersionCheck.Enabled() {
 				klog.Warningf("etcd version %q is not known to be supported, but ignoring because of SkipEtcdVersionCheck feature flag", etcdCluster.Version)
 			} else {
@@ -57,15 +59,19 @@ func (b *EtcdManagerOptionsBuilder) BuildOptions(o interface{}) error {
 				return fmt.Errorf("etcd version %q is not supported with etcd-manager, please specify a supported version or remove the value to use the default version.  Supported versions: %s", etcdCluster.Version, strings.Join(supportedEtcdVersions, ", "))
 			}
 		}
-	}
+		for _, s := range []string{"3.5.0", "3.5.1"} {
+			if s == version {
+				appendCorruptionCheckFlag(etcdCluster)
+			}
+		}
 
+	}
 	return nil
 }
 
 var supportedEtcdVersions = []string{"3.1.12", "3.2.18", "3.2.24", "3.3.10", "3.3.13", "3.3.17", "3.4.3", "3.4.13", "3.5.0", "3.5.1"}
 
 func etcdVersionIsSupported(version string) bool {
-	version = strings.TrimPrefix(version, "v")
 	for _, v := range supportedEtcdVersions {
 		if v == version {
 			return true
@@ -73,3 +79,20 @@ func etcdVersionIsSupported(version string) bool {
 	}
 	return false
 }
+
+func appendCorruptionCheckFlag(etcdCluster *kops.EtcdClusterSpec) {
+	varName := "ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK"
+	if etcdCluster.Manager == nil {
+		etcdCluster.Manager = &kops.EtcdManagerSpec{}
+	}
+	for _, env := range etcdCluster.Manager.Env {
+		if env.Name == varName {
+			return
+		}
+	}
+	etcdCluster.Manager.Env = append(etcdCluster.Manager.Env,
+		kops.EnvVar{
+			Name:  varName,
+			Value: "true",
+		})
+}
diff --git a/tests/integration/update_cluster/apiservernodes/cloudformation.json.extracted.yaml b/tests/integration/update_cluster/apiservernodes/cloudformation.json.extracted.yaml
index b6871018fa..6fa3d55d65 100644
--- a/tests/integration/update_cluster/apiservernodes/cloudformation.json.extracted.yaml
+++ b/tests/integration/update_cluster/apiservernodes/cloudformation.json.extracted.yaml
@@ -314,8 +314,16 @@ Resources.AWSEC2LaunchTemplatemasterustest1amastersminimalexamplecom.Properties.
   encryptionConfig: null
   etcdClusters:
     events:
+      manager:
+        env:
+        - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+          value: "true"
       version: 3.5.1
     main:
+      manager:
+        env:
+        - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+          value: "true"
       version: 3.5.1
   kubeAPIServer:
     allowPrivileged: true
diff --git a/tests/integration/update_cluster/apiservernodes/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data b/tests/integration/update_cluster/apiservernodes/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data
index 01610b9f15..b4b0317350 100644
--- a/tests/integration/update_cluster/apiservernodes/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data
+++ b/tests/integration/update_cluster/apiservernodes/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data
@@ -137,8 +137,16 @@ docker:
 encryptionConfig: null
 etcdClusters:
   events:
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     version: 3.5.1
   main:
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     version: 3.5.1
 kubeAPIServer:
   allowPrivileged: true
diff --git a/tests/integration/update_cluster/apiservernodes/data/aws_s3_bucket_object_cluster-completed.spec_content b/tests/integration/update_cluster/apiservernodes/data/aws_s3_bucket_object_cluster-completed.spec_content
index 44b314e810..bc8ff62bb6 100644
--- a/tests/integration/update_cluster/apiservernodes/data/aws_s3_bucket_object_cluster-completed.spec_content
+++ b/tests/integration/update_cluster/apiservernodes/data/aws_s3_bucket_object_cluster-completed.spec_content
@@ -31,6 +31,10 @@ spec:
     etcdMembers:
     - instanceGroup: master-us-test-1a
       name: us-test-1a
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     name: main
     version: 3.5.1
   - backups:
@@ -38,6 +42,10 @@ spec:
     etcdMembers:
     - instanceGroup: master-us-test-1a
       name: us-test-1a
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     name: events
     version: 3.5.1
   externalDns:
diff --git a/tests/integration/update_cluster/apiservernodes/data/aws_s3_bucket_object_manifests-etcdmanager-events_content b/tests/integration/update_cluster/apiservernodes/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
index 4366e4ecf3..326850dceb 100644
--- a/tests/integration/update_cluster/apiservernodes/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
+++ b/tests/integration/update_cluster/apiservernodes/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
@@ -21,6 +21,9 @@ spec:
       --v=6 --volume-name-tag=k8s.io/etcd/events --volume-provider=aws --volume-tag=k8s.io/etcd/events
       --volume-tag=k8s.io/role/master=1 --volume-tag=kubernetes.io/cluster/minimal.example.com=owned
       > /tmp/pipe 2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/apiservernodes/data/aws_s3_bucket_object_manifests-etcdmanager-main_content b/tests/integration/update_cluster/apiservernodes/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
index 05fa28a84c..d4ca92c2f4 100644
--- a/tests/integration/update_cluster/apiservernodes/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
+++ b/tests/integration/update_cluster/apiservernodes/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
@@ -21,6 +21,9 @@ spec:
       --v=6 --volume-name-tag=k8s.io/etcd/main --volume-provider=aws --volume-tag=k8s.io/etcd/main
       --volume-tag=k8s.io/role/master=1 --volume-tag=kubernetes.io/cluster/minimal.example.com=owned
       > /tmp/pipe 2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data b/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data
index 5844797811..e70feed0b1 100644
--- a/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data
+++ b/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data
@@ -137,8 +137,16 @@ docker:
 encryptionConfig: null
 etcdClusters:
   events:
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     version: 3.5.1
   main:
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     version: 3.5.1
 kubeAPIServer:
   allowPrivileged: true
diff --git a/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_s3_bucket_object_cluster-completed.spec_content b/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_s3_bucket_object_cluster-completed.spec_content
index 2e9bcc7fbb..3cc6e7722b 100644
--- a/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_s3_bucket_object_cluster-completed.spec_content
+++ b/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_s3_bucket_object_cluster-completed.spec_content
@@ -56,6 +56,10 @@ spec:
     etcdMembers:
     - instanceGroup: master-us-test-1a
       name: us-test-1a
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     name: main
     version: 3.5.1
   - backups:
@@ -63,6 +67,10 @@ spec:
     etcdMembers:
     - instanceGroup: master-us-test-1a
       name: us-test-1a
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     name: events
     version: 3.5.1
   externalDns:
diff --git a/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_s3_bucket_object_manifests-etcdmanager-events_content b/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
index a43ef4612a..dbf3483468 100644
--- a/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
+++ b/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
@@ -18,6 +18,9 @@ spec:
       --quarantine-client-urls=https://__name__:3995 --v=6 --volume-name-tag=k8s.io/etcd/events
       --volume-provider=aws --volume-tag=k8s.io/etcd/events --volume-tag=k8s.io/role/master=1
       --volume-tag=kubernetes.io/cluster/minimal.example.com=owned > /tmp/pipe 2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_s3_bucket_object_manifests-etcdmanager-main_content b/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
index 66f0aae498..d53f053c05 100644
--- a/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
+++ b/tests/integration/update_cluster/many-addons-ccm-irsa23/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
@@ -18,6 +18,9 @@ spec:
       --quarantine-client-urls=https://__name__:3994 --v=6 --volume-name-tag=k8s.io/etcd/main
       --volume-provider=aws --volume-tag=k8s.io/etcd/main --volume-tag=k8s.io/role/master=1
       --volume-tag=kubernetes.io/cluster/minimal.example.com=owned > /tmp/pipe 2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/minimal-1.23/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data b/tests/integration/update_cluster/minimal-1.23/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data
index ed5b1526b0..a7d747bef9 100644
--- a/tests/integration/update_cluster/minimal-1.23/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data
+++ b/tests/integration/update_cluster/minimal-1.23/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data
@@ -138,10 +138,18 @@ encryptionConfig: null
 etcdClusters:
   events:
     cpuRequest: 100m
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     memoryRequest: 100Mi
     version: 3.5.1
   main:
     cpuRequest: 200m
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     memoryRequest: 100Mi
     version: 3.5.1
 kubeAPIServer:
diff --git a/tests/integration/update_cluster/minimal-1.23/data/aws_s3_bucket_object_cluster-completed.spec_content b/tests/integration/update_cluster/minimal-1.23/data/aws_s3_bucket_object_cluster-completed.spec_content
index 2a8cd8f9d9..95ba097305 100644
--- a/tests/integration/update_cluster/minimal-1.23/data/aws_s3_bucket_object_cluster-completed.spec_content
+++ b/tests/integration/update_cluster/minimal-1.23/data/aws_s3_bucket_object_cluster-completed.spec_content
@@ -33,6 +33,10 @@ spec:
     - encryptedVolume: true
       instanceGroup: master-us-test-1a
       name: a
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     memoryRequest: 100Mi
     name: main
     version: 3.5.1
@@ -43,6 +47,10 @@ spec:
     - encryptedVolume: true
       instanceGroup: master-us-test-1a
       name: a
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     memoryRequest: 100Mi
     name: events
     version: 3.5.1
diff --git a/tests/integration/update_cluster/minimal-1.23/data/aws_s3_bucket_object_manifests-etcdmanager-events_content b/tests/integration/update_cluster/minimal-1.23/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
index c73bbd9588..b2528b1694 100644
--- a/tests/integration/update_cluster/minimal-1.23/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
+++ b/tests/integration/update_cluster/minimal-1.23/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
@@ -18,6 +18,9 @@ spec:
       --v=6 --volume-name-tag=k8s.io/etcd/events --volume-provider=aws --volume-tag=k8s.io/etcd/events
       --volume-tag=k8s.io/role/master=1 --volume-tag=kubernetes.io/cluster/minimal.example.com=owned
       > /tmp/pipe 2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/minimal-1.23/data/aws_s3_bucket_object_manifests-etcdmanager-main_content b/tests/integration/update_cluster/minimal-1.23/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
index cb394f1f30..21fe7beff9 100644
--- a/tests/integration/update_cluster/minimal-1.23/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
+++ b/tests/integration/update_cluster/minimal-1.23/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
@@ -18,6 +18,9 @@ spec:
       --v=6 --volume-name-tag=k8s.io/etcd/main --volume-provider=aws --volume-tag=k8s.io/etcd/main
       --volume-tag=k8s.io/role/master=1 --volume-tag=kubernetes.io/cluster/minimal.example.com=owned
       > /tmp/pipe 2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/minimal-1.24/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data b/tests/integration/update_cluster/minimal-1.24/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data
index d4018e01f2..2d268f8083 100644
--- a/tests/integration/update_cluster/minimal-1.24/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data
+++ b/tests/integration/update_cluster/minimal-1.24/data/aws_launch_template_master-us-test-1a.masters.minimal.example.com_user_data
@@ -138,10 +138,18 @@ encryptionConfig: null
 etcdClusters:
   events:
     cpuRequest: 100m
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     memoryRequest: 100Mi
     version: 3.5.1
   main:
     cpuRequest: 200m
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     memoryRequest: 100Mi
     version: 3.5.1
 kubeAPIServer:
diff --git a/tests/integration/update_cluster/minimal-1.24/data/aws_s3_bucket_object_cluster-completed.spec_content b/tests/integration/update_cluster/minimal-1.24/data/aws_s3_bucket_object_cluster-completed.spec_content
index 2e622d6d6d..08efead718 100644
--- a/tests/integration/update_cluster/minimal-1.24/data/aws_s3_bucket_object_cluster-completed.spec_content
+++ b/tests/integration/update_cluster/minimal-1.24/data/aws_s3_bucket_object_cluster-completed.spec_content
@@ -42,6 +42,10 @@ spec:
     - encryptedVolume: true
       instanceGroup: master-us-test-1a
       name: a
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     memoryRequest: 100Mi
     name: main
     version: 3.5.1
@@ -52,6 +56,10 @@ spec:
     - encryptedVolume: true
       instanceGroup: master-us-test-1a
       name: a
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     memoryRequest: 100Mi
     name: events
     version: 3.5.1
diff --git a/tests/integration/update_cluster/minimal-1.24/data/aws_s3_bucket_object_manifests-etcdmanager-events_content b/tests/integration/update_cluster/minimal-1.24/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
index c73bbd9588..b2528b1694 100644
--- a/tests/integration/update_cluster/minimal-1.24/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
+++ b/tests/integration/update_cluster/minimal-1.24/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
@@ -18,6 +18,9 @@ spec:
       --v=6 --volume-name-tag=k8s.io/etcd/events --volume-provider=aws --volume-tag=k8s.io/etcd/events
       --volume-tag=k8s.io/role/master=1 --volume-tag=kubernetes.io/cluster/minimal.example.com=owned
       > /tmp/pipe 2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/minimal-1.24/data/aws_s3_bucket_object_manifests-etcdmanager-main_content b/tests/integration/update_cluster/minimal-1.24/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
index cb394f1f30..21fe7beff9 100644
--- a/tests/integration/update_cluster/minimal-1.24/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
+++ b/tests/integration/update_cluster/minimal-1.24/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
@@ -18,6 +18,9 @@ spec:
       --v=6 --volume-name-tag=k8s.io/etcd/main --volume-provider=aws --volume-tag=k8s.io/etcd/main
       --volume-tag=k8s.io/role/master=1 --volume-tag=kubernetes.io/cluster/minimal.example.com=owned
       > /tmp/pipe 2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/minimal-ipv6-private/data/aws_launch_template_master-us-test-1a.masters.minimal-ipv6.example.com_user_data b/tests/integration/update_cluster/minimal-ipv6-private/data/aws_launch_template_master-us-test-1a.masters.minimal-ipv6.example.com_user_data
index 998a45c217..952dc18e91 100644
--- a/tests/integration/update_cluster/minimal-ipv6-private/data/aws_launch_template_master-us-test-1a.masters.minimal-ipv6.example.com_user_data
+++ b/tests/integration/update_cluster/minimal-ipv6-private/data/aws_launch_template_master-us-test-1a.masters.minimal-ipv6.example.com_user_data
@@ -140,8 +140,16 @@ docker:
 encryptionConfig: null
 etcdClusters:
   events:
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     version: 3.5.1
   main:
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     version: 3.5.1
 kubeAPIServer:
   allowPrivileged: true
diff --git a/tests/integration/update_cluster/minimal-ipv6-private/data/aws_s3_bucket_object_cluster-completed.spec_content b/tests/integration/update_cluster/minimal-ipv6-private/data/aws_s3_bucket_object_cluster-completed.spec_content
index 2868307b8b..dc503f2393 100644
--- a/tests/integration/update_cluster/minimal-ipv6-private/data/aws_s3_bucket_object_cluster-completed.spec_content
+++ b/tests/integration/update_cluster/minimal-ipv6-private/data/aws_s3_bucket_object_cluster-completed.spec_content
@@ -44,6 +44,10 @@ spec:
     etcdMembers:
     - instanceGroup: master-us-test-1a
       name: us-test-1a
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     name: main
     version: 3.5.1
   - backups:
@@ -51,6 +55,10 @@ spec:
     etcdMembers:
     - instanceGroup: master-us-test-1a
       name: us-test-1a
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     name: events
     version: 3.5.1
   externalDns:
diff --git a/tests/integration/update_cluster/minimal-ipv6-private/data/aws_s3_bucket_object_manifests-etcdmanager-events_content b/tests/integration/update_cluster/minimal-ipv6-private/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
index 86efd00f62..8a0cb390bf 100644
--- a/tests/integration/update_cluster/minimal-ipv6-private/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
+++ b/tests/integration/update_cluster/minimal-ipv6-private/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
@@ -19,6 +19,9 @@ spec:
       --volume-provider=aws --volume-tag=k8s.io/etcd/events --volume-tag=k8s.io/role/master=1
       --volume-tag=kubernetes.io/cluster/minimal-ipv6.example.com=owned > /tmp/pipe
       2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/minimal-ipv6-private/data/aws_s3_bucket_object_manifests-etcdmanager-main_content b/tests/integration/update_cluster/minimal-ipv6-private/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
index d357931500..4046d0219c 100644
--- a/tests/integration/update_cluster/minimal-ipv6-private/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
+++ b/tests/integration/update_cluster/minimal-ipv6-private/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
@@ -19,6 +19,9 @@ spec:
       --volume-provider=aws --volume-tag=k8s.io/etcd/main --volume-tag=k8s.io/role/master=1
       --volume-tag=kubernetes.io/cluster/minimal-ipv6.example.com=owned > /tmp/pipe
       2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/minimal_gce/data/aws_s3_bucket_object_cluster-completed.spec_content b/tests/integration/update_cluster/minimal_gce/data/aws_s3_bucket_object_cluster-completed.spec_content
index 32de0ddb3e..367d6f4eae 100644
--- a/tests/integration/update_cluster/minimal_gce/data/aws_s3_bucket_object_cluster-completed.spec_content
+++ b/tests/integration/update_cluster/minimal_gce/data/aws_s3_bucket_object_cluster-completed.spec_content
@@ -32,6 +32,10 @@ spec:
     etcdMembers:
     - instanceGroup: master-us-test1-a
       name: "1"
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     name: main
     version: 3.5.1
   - backups:
@@ -39,6 +43,10 @@ spec:
     etcdMembers:
     - instanceGroup: master-us-test1-a
       name: "1"
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     name: events
     version: 3.5.1
   externalDns:
diff --git a/tests/integration/update_cluster/minimal_gce/data/aws_s3_bucket_object_manifests-etcdmanager-events_content b/tests/integration/update_cluster/minimal_gce/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
index 2377255212..3d5b99dd12 100644
--- a/tests/integration/update_cluster/minimal_gce/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
+++ b/tests/integration/update_cluster/minimal_gce/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
@@ -18,6 +18,9 @@ spec:
       --v=6 --volume-name-tag=k8s-io-etcd-events --volume-provider=gce --volume-tag=k8s-io-cluster-name=minimal-gce-example-com
       --volume-tag=k8s-io-etcd-events --volume-tag=k8s-io-role-master=master > /tmp/pipe
       2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/minimal_gce/data/aws_s3_bucket_object_manifests-etcdmanager-main_content b/tests/integration/update_cluster/minimal_gce/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
index 26dd22e734..4b16efb9b9 100644
--- a/tests/integration/update_cluster/minimal_gce/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
+++ b/tests/integration/update_cluster/minimal_gce/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
@@ -18,6 +18,9 @@ spec:
       --v=6 --volume-name-tag=k8s-io-etcd-main --volume-provider=gce --volume-tag=k8s-io-cluster-name=minimal-gce-example-com
       --volume-tag=k8s-io-etcd-main --volume-tag=k8s-io-role-master=master > /tmp/pipe
       2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/minimal_gce/data/google_compute_instance_template_master-us-test1-a-minimal-gce-example-com_metadata_startup-script b/tests/integration/update_cluster/minimal_gce/data/google_compute_instance_template_master-us-test1-a-minimal-gce-example-com_metadata_startup-script
index 64210901bf..849dc81d9c 100644
--- a/tests/integration/update_cluster/minimal_gce/data/google_compute_instance_template_master-us-test1-a-minimal-gce-example-com_metadata_startup-script
+++ b/tests/integration/update_cluster/minimal_gce/data/google_compute_instance_template_master-us-test1-a-minimal-gce-example-com_metadata_startup-script
@@ -137,8 +137,16 @@ docker:
 encryptionConfig: null
 etcdClusters:
   events:
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     version: 3.5.1
   main:
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     version: 3.5.1
 kubeAPIServer:
   allowPrivileged: true
diff --git a/tests/integration/update_cluster/privatecanal/data/aws_launch_template_master-us-test-1a.masters.privatecanal.example.com_user_data b/tests/integration/update_cluster/privatecanal/data/aws_launch_template_master-us-test-1a.masters.privatecanal.example.com_user_data
index ed07582b51..ec363c7e0d 100644
--- a/tests/integration/update_cluster/privatecanal/data/aws_launch_template_master-us-test-1a.masters.privatecanal.example.com_user_data
+++ b/tests/integration/update_cluster/privatecanal/data/aws_launch_template_master-us-test-1a.masters.privatecanal.example.com_user_data
@@ -137,8 +137,16 @@ docker:
 encryptionConfig: null
 etcdClusters:
   events:
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     version: 3.5.1
   main:
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     version: 3.5.1
 kubeAPIServer:
   allowPrivileged: true
diff --git a/tests/integration/update_cluster/privatecanal/data/aws_s3_bucket_object_cluster-completed.spec_content b/tests/integration/update_cluster/privatecanal/data/aws_s3_bucket_object_cluster-completed.spec_content
index 12ccb25025..f8c74bd32a 100644
--- a/tests/integration/update_cluster/privatecanal/data/aws_s3_bucket_object_cluster-completed.spec_content
+++ b/tests/integration/update_cluster/privatecanal/data/aws_s3_bucket_object_cluster-completed.spec_content
@@ -33,6 +33,10 @@ spec:
     etcdMembers:
     - instanceGroup: master-us-test-1a
       name: us-test-1a
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     name: main
     version: 3.5.1
   - backups:
@@ -40,6 +44,10 @@ spec:
     etcdMembers:
     - instanceGroup: master-us-test-1a
       name: us-test-1a
+    manager:
+      env:
+      - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+        value: "true"
     name: events
     version: 3.5.1
   externalDns:
diff --git a/tests/integration/update_cluster/privatecanal/data/aws_s3_bucket_object_manifests-etcdmanager-events_content b/tests/integration/update_cluster/privatecanal/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
index f8334ddc9b..c08965451d 100644
--- a/tests/integration/update_cluster/privatecanal/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
+++ b/tests/integration/update_cluster/privatecanal/data/aws_s3_bucket_object_manifests-etcdmanager-events_content
@@ -19,6 +19,9 @@ spec:
       --volume-provider=aws --volume-tag=k8s.io/etcd/events --volume-tag=k8s.io/role/master=1
       --volume-tag=kubernetes.io/cluster/privatecanal.example.com=owned > /tmp/pipe
       2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources:
diff --git a/tests/integration/update_cluster/privatecanal/data/aws_s3_bucket_object_manifests-etcdmanager-main_content b/tests/integration/update_cluster/privatecanal/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
index cd6d6ceeb2..f271224eed 100644
--- a/tests/integration/update_cluster/privatecanal/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
+++ b/tests/integration/update_cluster/privatecanal/data/aws_s3_bucket_object_manifests-etcdmanager-main_content
@@ -19,6 +19,9 @@ spec:
       --volume-provider=aws --volume-tag=k8s.io/etcd/main --volume-tag=k8s.io/role/master=1
       --volume-tag=kubernetes.io/cluster/privatecanal.example.com=owned > /tmp/pipe
       2>&1
+    env:
+    - name: ETCD_EXPERIMENTAL_INITIAL_CORRUPT_CHECK
+      value: "true"
     image: registry.k8s.io/etcdadm/etcd-manager:v3.0.20220203
     name: etcd-manager
     resources: