diff --git a/pkg/harvester/edit/harvesterhci.io.host/HarvesterKsmtuned.vue b/pkg/harvester/edit/harvesterhci.io.host/HarvesterKsmtuned.vue
index d742ee26..d0106505 100644
--- a/pkg/harvester/edit/harvesterhci.io.host/HarvesterKsmtuned.vue
+++ b/pkg/harvester/edit/harvesterhci.io.host/HarvesterKsmtuned.vue
@@ -7,6 +7,8 @@ import { Checkbox } from '@components/Form/Checkbox';
 import { HCI } from '../../types';
 import { DOC } from '../../config/doc-links';
 import { docLink } from '../../utils/feature-flags';
+import isEqual from 'lodash/isEqual';
+import { clone } from '@shell/utils/object';
 
 export const ksmtunedMode = [{
   value: 'standard',
@@ -64,11 +66,13 @@ export default {
 
     this.enableMergeAcrossNodes = !!this.ksmtuned.spec?.mergeAcrossNodes;
     this.spec = this.ksmtuned.spec;
+    this.originSpec = clone(this.ksmtuned.spec);
   },
 
   data() {
     return {
       ksmtuned:               {},
+      originSpec:             {},
       spec:                   {},
       thresCoef:              30,
       ksmtunedMode,
@@ -99,6 +103,11 @@ export default {
 
   methods: {
     async saveKsmtuned() {
+      // no ksmtuned spec change, skip save
+      if (isEqual(this.spec, this.originSpec)) {
+        return;
+      }
+
       this.spec.mergeAcrossNodes = this.enableMergeAcrossNodes ? 1 : 0;
       this.ksmtuned['spec'] = this.spec;
 
diff --git a/pkg/harvester/edit/harvesterhci.io.host/index.vue b/pkg/harvester/edit/harvesterhci.io.host/index.vue
index 6f65c402..3f042bb1 100644
--- a/pkg/harvester/edit/harvesterhci.io.host/index.vue
+++ b/pkg/harvester/edit/harvesterhci.io.host/index.vue
@@ -527,7 +527,6 @@ export default {
               id:   this.longhornNode.id,
               opt:  { force: true },
             });
-
             await new Promise((resolve) => setTimeout(resolve, '5000'));
             await retrySave();
           } else {