diff --git a/ci-operator/step-registry/storage/conf/storageclass/OWNERS b/ci-operator/step-registry/storage/conf/storageclass/OWNERS
new file mode 100644
index 0000000000000..b4499320bacd0
--- /dev/null
+++ b/ci-operator/step-registry/storage/conf/storageclass/OWNERS
@@ -0,0 +1,8 @@
+approvers:
+- storage-approvers
+- duanwei33
+- Phaow
+reviewers:
+- storage-reviewers
+- duanwei33
+- Phaow
diff --git a/ci-operator/step-registry/storage/conf/storageclass/set-default-storageclass/OWNERS b/ci-operator/step-registry/storage/conf/storageclass/set-default-storageclass/OWNERS
new file mode 100644
index 0000000000000..b4499320bacd0
--- /dev/null
+++ b/ci-operator/step-registry/storage/conf/storageclass/set-default-storageclass/OWNERS
@@ -0,0 +1,8 @@
+approvers:
+- storage-approvers
+- duanwei33
+- Phaow
+reviewers:
+- storage-reviewers
+- duanwei33
+- Phaow
diff --git a/ci-operator/step-registry/storage/conf/storageclass/set-default-storageclass/storage-conf-storageclass-set-default-storageclass-commands.sh b/ci-operator/step-registry/storage/conf/storageclass/set-default-storageclass/storage-conf-storageclass-set-default-storageclass-commands.sh
new file mode 100644
index 0000000000000..f94d9fe29736a
--- /dev/null
+++ b/ci-operator/step-registry/storage/conf/storageclass/set-default-storageclass/storage-conf-storageclass-set-default-storageclass-commands.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+set -o errexit
+set -o nounset
+set -o pipefail
+
+function set_proxy () {
+    if test -s "${SHARED_DIR}/proxy-conf.sh" ; then
+        echo "setting the proxy"
+        echo "source ${SHARED_DIR}/proxy-conf.sh"
+        source "${SHARED_DIR}/proxy-conf.sh"
+    else
+        echo "no proxy setting."
+    fi
+}
+
+function run_command() {
+    local CMD="$1"
+    echo "Running Command: ${CMD}"
+    eval "${CMD}"
+}
+
+function get_current_sc() {
+    run_command "oc get sc"
+}
+
+function get_default_sc() {
+    CURRENT_DEFAULT_SC=$(oc get sc -ojsonpath='{.items[?(@.metadata.annotations.storageclass\.kubernetes\.io/is-default-class=="true")].metadata.name}')
+    echo "Current default storageclass is:" "${CURRENT_DEFAULT_SC}"
+}
+
+function remove_all_default_sc_annotations () {
+  run_command "oc annotate sc storageclass.kubernetes.io/is-default-class=false --all --overwrite"
+}
+
+function set_required_sc_as_default () {
+  run_command "oc annotate sc ${REQUIRED_DEFAULT_STORAGECLASS} storageclass.kubernetes.io/is-default-class=true --overwrite"
+}
+
+set_proxy
+get_default_sc
+remove_all_default_sc_annotations
+set_required_sc_as_default
+# For debugging
+get_current_sc
diff --git a/ci-operator/step-registry/storage/conf/storageclass/set-default-storageclass/storage-conf-storageclass-set-default-storageclass-ref.metadata.json b/ci-operator/step-registry/storage/conf/storageclass/set-default-storageclass/storage-conf-storageclass-set-default-storageclass-ref.metadata.json
new file mode 100644
index 0000000000000..e4026f07b29b8
--- /dev/null
+++ b/ci-operator/step-registry/storage/conf/storageclass/set-default-storageclass/storage-conf-storageclass-set-default-storageclass-ref.metadata.json
@@ -0,0 +1,15 @@
+{
+	"path": "storage/conf/storageclass/set-default-storageclass/storage-conf-storageclass-set-default-storageclass-ref.yaml",
+	"owners": {
+		"approvers": [
+			"storage-approvers",
+			"duanwei33",
+			"Phaow"
+		],
+		"reviewers": [
+			"storage-reviewers",
+			"duanwei33",
+			"Phaow"
+		]
+	}
+}
\ No newline at end of file
diff --git a/ci-operator/step-registry/storage/conf/storageclass/set-default-storageclass/storage-conf-storageclass-set-default-storageclass-ref.yaml b/ci-operator/step-registry/storage/conf/storageclass/set-default-storageclass/storage-conf-storageclass-set-default-storageclass-ref.yaml
new file mode 100644
index 0000000000000..22ed0f578ce8b
--- /dev/null
+++ b/ci-operator/step-registry/storage/conf/storageclass/set-default-storageclass/storage-conf-storageclass-set-default-storageclass-ref.yaml
@@ -0,0 +1,16 @@
+ref:
+  as: storage-conf-storageclass-set-default-storageclass
+  from: cli
+  # inject oc binary
+  cli: latest
+  commands: storage-conf-storageclass-set-default-storageclass-commands.sh
+  resources:
+    requests:
+      cpu: 10m
+      memory: 100Mi
+  env:
+  - name: REQUIRED_DEFAULT_STORAGECLASS
+    documentation: |-
+      Name of the storage class to set as the new default. The storage class must already exist.
+  documentation: |-
+    The storage-conf-storageclass-set-default-storageclass step changes the cluster default storageclass to the specified one.
diff --git a/ci-operator/step-registry/storage/conf/storageclass/set-storageclass-unmanaged/OWNERS b/ci-operator/step-registry/storage/conf/storageclass/set-storageclass-unmanaged/OWNERS
new file mode 100644
index 0000000000000..b4499320bacd0
--- /dev/null
+++ b/ci-operator/step-registry/storage/conf/storageclass/set-storageclass-unmanaged/OWNERS
@@ -0,0 +1,8 @@
+approvers:
+- storage-approvers
+- duanwei33
+- Phaow
+reviewers:
+- storage-reviewers
+- duanwei33
+- Phaow
diff --git a/ci-operator/step-registry/storage/conf/storageclass/set-storageclass-unmanaged/storage-conf-storageclass-set-storageclass-unmanaged-commands.sh b/ci-operator/step-registry/storage/conf/storageclass/set-storageclass-unmanaged/storage-conf-storageclass-set-storageclass-unmanaged-commands.sh
new file mode 100644
index 0000000000000..a11470784d78f
--- /dev/null
+++ b/ci-operator/step-registry/storage/conf/storageclass/set-storageclass-unmanaged/storage-conf-storageclass-set-storageclass-unmanaged-commands.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+set -o errexit
+set -o nounset
+set -o pipefail
+
+function set_proxy () {
+    if test -s "${SHARED_DIR}/proxy-conf.sh" ; then
+        echo "setting the proxy"
+        echo "source ${SHARED_DIR}/proxy-conf.sh"
+        source "${SHARED_DIR}/proxy-conf.sh"
+    else
+        echo "no proxy setting."
+    fi
+}
+
+function run_command() {
+    local CMD="$1"
+    echo "Running Command: ${CMD}"
+    eval "${CMD}"
+}
+
+function set_sc_state_unmanaged () {
+    run_command "oc patch clustercsidriver $(oc get sc "${REQUIRED_UNMANAGED_STORAGECLASS}" -ojsonpath='{.provisioner}') -p '[{\"op\":\"replace\",\"path\":\"/spec/storageClassState\",\"value\":\"Unmanaged\"}]' --type json"
+}
+
+set_proxy
+set_sc_state_unmanaged
diff --git a/ci-operator/step-registry/storage/conf/storageclass/set-storageclass-unmanaged/storage-conf-storageclass-set-storageclass-unmanaged-ref.metadata.json b/ci-operator/step-registry/storage/conf/storageclass/set-storageclass-unmanaged/storage-conf-storageclass-set-storageclass-unmanaged-ref.metadata.json
new file mode 100644
index 0000000000000..d8b823d9f39a1
--- /dev/null
+++ b/ci-operator/step-registry/storage/conf/storageclass/set-storageclass-unmanaged/storage-conf-storageclass-set-storageclass-unmanaged-ref.metadata.json
@@ -0,0 +1,15 @@
+{
+	"path": "storage/conf/storageclass/set-storageclass-unmanaged/storage-conf-storageclass-set-storageclass-unmanaged-ref.yaml",
+	"owners": {
+		"approvers": [
+			"storage-approvers",
+			"duanwei33",
+			"Phaow"
+		],
+		"reviewers": [
+			"storage-reviewers",
+			"duanwei33",
+			"Phaow"
+		]
+	}
+}
\ No newline at end of file
diff --git a/ci-operator/step-registry/storage/conf/storageclass/set-storageclass-unmanaged/storage-conf-storageclass-set-storageclass-unmanaged-ref.yaml b/ci-operator/step-registry/storage/conf/storageclass/set-storageclass-unmanaged/storage-conf-storageclass-set-storageclass-unmanaged-ref.yaml
new file mode 100644
index 0000000000000..c67f110437256
--- /dev/null
+++ b/ci-operator/step-registry/storage/conf/storageclass/set-storageclass-unmanaged/storage-conf-storageclass-set-storageclass-unmanaged-ref.yaml
@@ -0,0 +1,16 @@
+ref:
+  as: storage-conf-storageclass-set-storageclass-unmanaged
+  from: cli
+  # inject oc binary
+  cli: latest
+  commands: storage-conf-storageclass-set-storageclass-unmanaged-commands.sh
+  resources:
+    requests:
+      cpu: 10m
+      memory: 100Mi
+  env:
+  - name: REQUIRED_UNMANAGED_STORAGECLASS
+    documentation: |-
+      Name of the storage class to set as unmanaged. The storage class must already exist and it should managed by cluster storage operator.
+  documentation: |-
+    The storage-conf-storageclass-set-storageclass-unmanaged step changes specified managed storageclass to unmanaged. The step only available for OCP 4.13 above versions.