diff --git a/pkg/harvester/components/settings/csi-online-expand-validation.vue b/pkg/harvester/components/settings/csi-online-expand-validation.vue
new file mode 100644
index 00000000..f7579cc9
--- /dev/null
+++ b/pkg/harvester/components/settings/csi-online-expand-validation.vue
@@ -0,0 +1,294 @@
+<script>
+import { _EDIT } from '@shell/config/query-params';
+import LabeledSelect from '@shell/components/form/LabeledSelect';
+import InfoBox from '@shell/components/InfoBox';
+import { Banner } from '@components/Banner';
+import { allHash } from '@shell/utils/promise';
+import { CSI_DRIVER } from '../../types';
+import { LONGHORN_DRIVER } from '@shell/config/types';
+
+export default {
+  name: 'CSIOnlineExpandValidation',
+
+  components: {
+    Banner,
+    InfoBox,
+    LabeledSelect,
+  },
+
+  props: {
+    mode: {
+      type:    String,
+      default: _EDIT,
+    },
+    value: {
+      type:    Object,
+      default: () => ({}),
+    },
+    registerBeforeHook: {
+      type:     Function,
+      required: true,
+    },
+  },
+
+  async fetch() {
+    const inStore = this.$store.getters['currentProduct'].inStore;
+
+    try {
+      await allHash({ csiDrivers: this.$store.dispatch(`${ inStore }/findAll`, { type: CSI_DRIVER }) });
+      this.fetchError = null;
+    } catch (error) {
+      console.error('Failed to fetch CSI drivers:', error); // eslint-disable-line no-console
+      this.fetchError = this.t(
+        'harvester.setting.csiOnlineExpandValidation.failedToLoadDrivers',
+        { error: error.message || error },
+        true
+      );
+    }
+  },
+
+  data() {
+    return {
+      configArr:  [],
+      parseError: null,
+      fetchError: null,
+    };
+  },
+
+  created() {
+    const initValue = this.value.value || this.value.default || '{}';
+
+    this.configArr = this.parseValue(initValue);
+    this.registerBeforeHook?.(this.willSave, 'willSave');
+  },
+
+  computed: {
+    allErrors() {
+      const errors = [];
+
+      if (this.fetchError) {
+        errors.push(this.fetchError);
+      }
+      if (this.parseError) {
+        errors.push(this.parseError);
+      }
+
+      return errors;
+    },
+
+    csiDrivers() {
+      if (this.fetchError) return [];
+
+      const inStore = this.$store.getters['currentProduct'].inStore;
+
+      return this.$store.getters[`${ inStore }/all`](CSI_DRIVER) || [];
+    },
+
+    provisioners() {
+      const usedKeys = this.configArr.map(({ key }) => key);
+
+      return this.csiDrivers
+        .filter(({ name }) => !usedKeys.includes(name))
+        .map(({ name }) => name);
+    },
+
+    provisionerValue() {
+      return [
+        { label: 'True', value: true },
+        { label: 'False', value: false },
+      ];
+    },
+
+    disableAdd() {
+      return this.parseError || this.fetchError || this.configArr.length >= this.csiDrivers.length;
+    },
+
+    disableConfigEditing() {
+      return this.parseError || this.fetchError;
+    }
+  },
+
+  watch: {
+    'value.value'(newVal, oldVal) {
+      if (newVal !== oldVal) {
+        this.configArr = this.parseValue(newVal || '{}');
+      }
+    }
+  },
+
+  methods: {
+    _convertToBoolean(value) {
+      if (typeof value === 'boolean') return value;
+
+      if (typeof value === 'string') {
+        const lowerCaseValue = value.toLowerCase();
+
+        if (lowerCaseValue === 'true') return true;
+        if (lowerCaseValue === 'false') return false;
+      }
+
+      return false; // default to false for any other string or non-boolean type
+    },
+    parseValue(raw) {
+      try {
+        const json = JSON.parse(raw);
+
+        this.parseError = null;
+
+        return Object.entries(json).map(([key, value]) => ({
+          key,
+          value: this._convertToBoolean(value),
+        }));
+      } catch (e) {
+        console.error('[CSIOnlineExpandValidation] JSON Parsing Error:', raw, e); // eslint-disable-line no-console
+        this.parseError = this.t(
+          'harvester.setting.csiOnlineExpandValidation.invalidJsonFormat',
+          { error: e.message },
+          true
+        );
+
+        return [];
+      }
+    },
+
+    stringifyConfig() {
+      const obj = {};
+
+      this.configArr.forEach(({ key, value }) => {
+        obj[key] = value;
+      });
+
+      return this.configArr.length ? JSON.stringify(obj) : '';
+    },
+
+    update() {
+      this.value.value = this.stringifyConfig();
+    },
+
+    willSave() {
+      const errors = [];
+
+      this.configArr.forEach(({ key }) => {
+        if (!key) {
+          errors.push(
+            this.t('validation.required', { key: this.t('harvester.setting.csiOnlineExpandValidation.provisioner') }, true)
+          );
+        }
+      });
+
+      this.value.value = this.stringifyConfig();
+
+      return errors.length ? Promise.reject(errors) : Promise.resolve();
+    },
+
+    useDefault() {
+      this.configArr = this.parseValue(this.value.default || '{}');
+      this.update();
+    },
+
+    disableEdit(driverKey) {
+      return this.fetchError || driverKey === LONGHORN_DRIVER;
+    },
+
+    add() {
+      if (this.disableConfigEditing) return;
+
+      this.configArr.push({ key: '', value: true });
+    },
+
+    remove(index) {
+      if (this.disableConfigEditing) return;
+
+      this.configArr.splice(index, 1);
+      this.update();
+    },
+
+    onValueChange(idx, newVal) {
+      if (this.disableConfigEditing) return;
+
+      const val = newVal === 'true' ? true : newVal === 'false' ? false : newVal;
+
+      this.configArr[idx].value = val;
+      this.update();
+    },
+  },
+};
+</script>
+
+<template>
+  <div>
+    <Banner
+      v-for="(errorMsg, index) in allErrors"
+      :key="index"
+      color="error"
+    >
+      {{ errorMsg }}
+    </Banner>
+    <InfoBox
+      v-for="(driver, idx) in configArr"
+      :key="idx"
+      class="box"
+    >
+      <button
+        class="role-link btn btn-sm remove"
+        type="button"
+        :disabled="disableEdit(driver.key)"
+        @click="remove(idx)"
+      >
+        <i class="icon icon-x" />
+      </button>
+
+      <div class="row">
+        <div class="col span-4">
+          <LabeledSelect
+            v-model:value="driver.key"
+            label-key="harvester.setting.csiOnlineExpandValidation.provisioner"
+            required
+            searchable
+            :mode="mode"
+            :disabled="disableEdit(driver.key)"
+            :options="provisioners"
+            @update:value="update"
+            @keydown.native.enter.prevent
+          />
+        </div>
+
+        <div class="col span-4">
+          <LabeledSelect
+            v-model:value="driver.value"
+            :value="driver.value.toString()"
+            label-key="harvester.setting.csiOnlineExpandValidation.value"
+            required
+            searchable
+            :mode="mode"
+            :disabled="disableEdit(driver.key)"
+            :options="provisionerValue"
+            @update:value="val => onValueChange(idx, val)"
+            @keydown.native.enter.prevent
+          />
+        </div>
+      </div>
+    </InfoBox>
+
+    <button
+      class="btn btn-sm role-primary"
+      :disabled="disableAdd"
+      @click="add"
+    >
+      {{ t('generic.add') }}
+    </button>
+  </div>
+</template>
+
+<style lang="scss" scoped>
+.box {
+  position: relative;
+  padding-top: 40px;
+}
+.remove {
+  position: absolute;
+  top: 10px;
+  right: 10px;
+  padding: 0;
+}
+</style>
diff --git a/pkg/harvester/config/feature-flags.js b/pkg/harvester/config/feature-flags.js
index 6899ac70..aaf68fb2 100644
--- a/pkg/harvester/config/feature-flags.js
+++ b/pkg/harvester/config/feature-flags.js
@@ -40,7 +40,8 @@ const FEATURE_FLAGS = {
   'v1.5.1': [],
   'v1.6.0': [
     'vmMachineTypes',
-    'customSupportBundle'
+    'customSupportBundle',
+    'csiOnlineExpandValidation'
   ]
 };
 
diff --git a/pkg/harvester/config/settings.ts b/pkg/harvester/config/settings.ts
index 160389e6..02da9190 100644
--- a/pkg/harvester/config/settings.ts
+++ b/pkg/harvester/config/settings.ts
@@ -28,6 +28,7 @@ export const HCI_SETTING = {
   RELEASE_DOWNLOAD_URL:                   'release-download-url',
   CCM_CSI_VERSION:                        'harvester-csi-ccm-versions',
   CSI_DRIVER_CONFIG:                      'csi-driver-config',
+  CSI_ONLINE_EXPAND_VALIDATION:           'csi-online-expand-validation',
   VM_TERMINATION_PERIOD:                  'default-vm-termination-grace-period-seconds',
   NTP_SERVERS:                            'ntp-servers',
   AUTO_ROTATE_RKE2_CERTS:                 'auto-rotate-rke2-certs',
@@ -53,12 +54,15 @@ export const HCI_ALLOWED_SETTINGS = {
     from:        'import',
     featureFlag: 'autoRotateRke2CertsSetting'
   },
-  [HCI_SETTING.CSI_DRIVER_CONFIG]:       { kind: 'json', from: 'import' },
-  [HCI_SETTING.SERVER_VERSION]:          { readOnly: true },
-  [HCI_SETTING.UPGRADE_CHECKER_ENABLED]: { kind: 'boolean' },
-  [HCI_SETTING.UPGRADE_CHECKER_URL]:     { kind: 'url' },
-  [HCI_SETTING.HTTP_PROXY]:              { kind: 'json', from: 'import' },
-  [HCI_SETTING.ADDITIONAL_CA]:           {
+  [HCI_SETTING.CSI_DRIVER_CONFIG]:            { kind: 'json', from: 'import' },
+  [HCI_SETTING.CSI_ONLINE_EXPAND_VALIDATION]: {
+    kind: 'json', from: 'import', featureFlag: 'csiOnlineExpandValidation'
+  },
+  [HCI_SETTING.SERVER_VERSION]:               { readOnly: true },
+  [HCI_SETTING.UPGRADE_CHECKER_ENABLED]:      { kind: 'boolean' },
+  [HCI_SETTING.UPGRADE_CHECKER_URL]:          { kind: 'url' },
+  [HCI_SETTING.HTTP_PROXY]:                   { kind: 'json', from: 'import' },
+  [HCI_SETTING.ADDITIONAL_CA]:                {
     kind: 'multiline', canReset: true, from: 'import'
   },
   [HCI_SETTING.OVERCOMMIT_CONFIG]:                      { kind: 'json', from: 'import' },
diff --git a/pkg/harvester/l10n/en-us.yaml b/pkg/harvester/l10n/en-us.yaml
index 5834b711..17eefde5 100644
--- a/pkg/harvester/l10n/en-us.yaml
+++ b/pkg/harvester/l10n/en-us.yaml
@@ -1100,6 +1100,11 @@ harvester:
       provisioner: Provisioner
       volumeSnapshotClassName: Volume Snapshot Class Name
       backupVolumeSnapshotClassName: Backup Volume Snapshot Class Name
+    csiOnlineExpandValidation:
+      provisioner: Provisioner
+      value: Value
+      invalidJsonFormat: "Configuration value is not a valid JSON format: {error}"
+      failedToLoadDrivers: "Failed to load CSI drivers. Error: {error}"
     containerdRegistry:
       mirrors:
         mirrors: Mirrors
@@ -1599,6 +1604,7 @@ advancedSettings:
     'harv-backup-target': Custom backup target to store virtual machine backups.
     'branding': Branding allows administrators to globally re-brand the UI by customizing the Harvester product name, logos, and color scheme.
     'harv-csi-driver-config': Configure additional information for CSI drivers.
+    'harv-csi-online-expand-validation': Allow online volume expansion for specific CSI drivers.
     'harv-containerd-registry': Containerd Registry Configuration to connect private registries.
     'harv-log-level': Configure Harvester server log level. Defaults to Info.
     'harv-server-version': Harvester server version.