diff --git a/metanode/inode.go b/metanode/inode.go
index 5a679da47..7214773ae 100644
--- a/metanode/inode.go
+++ b/metanode/inode.go
@@ -162,6 +162,9 @@ func (i *Inode) setVer(seq uint64) {
 }
 
 func (i *Inode) insertEkRefMap(mpId uint64, ek *proto.ExtentKey) {
+	if !clusterEnableSnapshot {
+		return
+	}
 	if i.multiSnap == nil {
 		i.multiSnap = NewMultiSnap(i.getVer())
 	}
@@ -1893,6 +1896,9 @@ func (i *Inode) CreateUnlinkVer(mpVer uint64, nVer uint64) {
 }
 
 func (i *Inode) CreateVer(ver uint64) {
+	if !clusterEnableSnapshot {
+		return
+	}
 	// inode copy not include multi ver array
 	ino := i.CopyDirectly().(*Inode)
 	ino.Extents = NewSortedExtents()
@@ -1913,6 +1919,9 @@ func (i *Inode) CreateVer(ver uint64) {
 }
 
 func (i *Inode) buildMultiSnap() {
+	if !clusterEnableSnapshot {
+		return
+	}
 	if i.multiSnap == nil {
 		i.multiSnap = &InodeMultiSnap{}
 	}
@@ -1969,6 +1978,9 @@ func (i *Inode) SplitExtentWithCheck(param *AppendExtParam) (delExtents []proto.
 
 // try to create version between curVer and seq of multiSnap.multiVersions[0] in verList
 func (i *Inode) CreateLowerVersion(curVer uint64, verlist *proto.VolVersionInfoList) (err error) {
+	if !clusterEnableSnapshot {
+		return
+	}
 	verlist.RWLock.RLock()
 	defer verlist.RWLock.RUnlock()
 
@@ -2056,7 +2068,7 @@ func (i *Inode) AppendExtentWithCheck(param *AppendExtParam) (delExtents []proto
 	}
 	// TODO:support hybridcloud
 	// multi version take effect
-	if i.getVer() > 0 && len(delExtents) > 0 {
+	if clusterEnableSnapshot && i.getVer() > 0 && len(delExtents) > 0 {
 		var err error
 		if err = i.CreateLowerVersion(i.getVer(), param.multiVersionList); err != nil {
 			return
@@ -2120,6 +2132,9 @@ func (i *Inode) DecNLinkByVer(verSeq uint64) {
 }
 
 func (i *Inode) DecSplitExts(mpId uint64, delExtents interface{}) {
+	if !clusterEnableSnapshot {
+		return
+	}
 	log.LogDebugf("[DecSplitExts] mpId [%v] inode[%v]", mpId, i.Inode)
 	cnt := len(delExtents.([]proto.ExtentKey))
 	for id := 0; id < cnt; id++ {
diff --git a/metanode/partition_fsmop_inode.go b/metanode/partition_fsmop_inode.go
index 9a32f5290..8ef53c923 100644
--- a/metanode/partition_fsmop_inode.go
+++ b/metanode/partition_fsmop_inode.go
@@ -577,13 +577,17 @@ func (mp *metaPartition) fsmAppendExtentsWithCheck(ino *Inode, isSplit bool) (st
 		// conflict need delete eks[0], to clear garbage data
 		if status == proto.OpConflictExtentsErr {
 			log.LogInfof("action[fsmAppendExtentsWithCheck] mp[%v] OpConflictExtentsErr [%v]", mp.config.PartitionId, eks[:1])
-			if !storage.IsTinyExtent(eks[0].ExtentId) && eks[0].ExtentOffset >= util.ExtentSize {
+			if !storage.IsTinyExtent(eks[0].ExtentId) && eks[0].ExtentOffset >= util.ExtentSize && clusterEnableSnapshot {
 				eks[0].SetSplit(true)
 			}
 			mp.extDelCh <- eks[:1]
 		}
 	} else {
-		// TODO: support hybrid-cloud
+		if !clusterEnableSnapshot {
+			status = proto.OpArgMismatchErr
+			log.LogErrorf("action[fsmAppendExtentsWithCheck] mp[%v] snapshot not enabled", mp.config.PartitionId)
+			return
+		}
 		// only the ek itself will be moved to level before
 		// ino verseq be set with mp ver before submit in case other mp be updated while on flight, which will lead to
 		// inconsistent between raft pairs
diff --git a/metanode/sorted_extents.go b/metanode/sorted_extents.go
index 858769604..05e17f279 100644
--- a/metanode/sorted_extents.go
+++ b/metanode/sorted_extents.go
@@ -148,6 +148,9 @@ func (se *SortedExtents) Append(ek proto.ExtentKey) (deleteExtents []proto.Exten
 }
 
 func storeEkSplit(mpId uint64, inodeID uint64, ekRef *sync.Map, ek *proto.ExtentKey) (id uint64) {
+	if !clusterEnableSnapshot {
+		return
+	}
 	if ekRef == nil {
 		log.LogErrorf("[storeEkSplit] mpId [%v] inodeID %v ekRef nil", mpId, inodeID)
 		return
@@ -486,14 +489,19 @@ func (se *SortedExtents) Truncate(offset uint64, doOnLastKey func(*proto.ExtentK
 			if doOnLastKey != nil {
 				doOnLastKey(&proto.ExtentKey{Size: uint32(lastKey.FileOffset + uint64(lastKey.Size) - offset)})
 			}
+			originSize := lastKey.Size
+			lastKey.Size = uint32(offset - lastKey.FileOffset)
+			if !clusterEnableSnapshot {
+				return
+			}
+
 			rsKey := &proto.ExtentKey{}
 			*rsKey = *lastKey
-			lastKey.Size = uint32(offset - lastKey.FileOffset)
 			if insertRefMap != nil {
 				insertRefMap(lastKey)
 			}
 
-			rsKey.Size -= lastKey.Size
+			rsKey.Size = originSize - lastKey.Size
 			rsKey.FileOffset += uint64(lastKey.Size)
 			rsKey.ExtentOffset += uint64(lastKey.Size)
 			if insertRefMap != nil {