diff --git a/weed/filer/filer_conf.go b/weed/filer/filer_conf.go
index 25bf83771..69755a16a 100644
--- a/weed/filer/filer_conf.go
+++ b/weed/filer/filer_conf.go
@@ -102,7 +102,7 @@ func (fc *FilerConf) LoadFromBytes(data []byte) (err error) {
 
 func (fc *FilerConf) doLoadConf(conf *filer_pb.FilerConf) (err error) {
 	for _, location := range conf.Locations {
-		err = fc.AddLocationConf(location)
+		err = fc.SetLocationConf(location)
 		if err != nil {
 			// this is not recoverable
 			return nil
@@ -111,7 +111,24 @@ func (fc *FilerConf) doLoadConf(conf *filer_pb.FilerConf) (err error) {
 	return nil
 }
 
+func (fc *FilerConf) GetLocationConf(locationPrefix string)(locConf *filer_pb.FilerConf_PathConf, found bool) {
+	return fc.rules.Get([]byte(locationPrefix))
+}
+
+func (fc *FilerConf) SetLocationConf(locConf *filer_pb.FilerConf_PathConf) (err error) {
+	err = fc.rules.Put([]byte(locConf.LocationPrefix), locConf)
+	if err != nil {
+		glog.Errorf("put location prefix: %v", err)
+	}
+	return
+}
+
 func (fc *FilerConf) AddLocationConf(locConf *filer_pb.FilerConf_PathConf) (err error) {
+	existingConf, found := fc.rules.Get([]byte(locConf.LocationPrefix))
+	if found {
+		mergePathConf(existingConf, locConf)
+		locConf = existingConf
+	}
 	err = fc.rules.Put([]byte(locConf.LocationPrefix), locConf)
 	if err != nil {
 		glog.Errorf("put location prefix: %v", err)
@@ -170,6 +187,7 @@ func mergePathConf(a, b *filer_pb.FilerConf_PathConf) {
 	a.DataCenter = util.Nvl(b.DataCenter, a.DataCenter)
 	a.Rack = util.Nvl(b.Rack, a.Rack)
 	a.DataNode = util.Nvl(b.DataNode, a.DataNode)
+	a.DisableChunkDeletion = b.DisableChunkDeletion || a.DisableChunkDeletion
 }
 
 func (fc *FilerConf) ToProto() *filer_pb.FilerConf {
diff --git a/weed/s3api/s3api_bucket_handlers.go b/weed/s3api/s3api_bucket_handlers.go
index f451e60a2..7d0d76ea4 100644
--- a/weed/s3api/s3api_bucket_handlers.go
+++ b/weed/s3api/s3api_bucket_handlers.go
@@ -455,7 +455,11 @@ func (s3a *S3ApiServer) DeleteBucketLifecycleHandler(w http.ResponseWriter, r *h
 	for prefix, ttl := range collectionTtls {
 		bucketPrefix := fmt.Sprintf("%s/%s/", s3a.option.BucketsPath, bucket)
 		if strings.HasPrefix(prefix, bucketPrefix) && strings.HasSuffix(ttl, "d") {
-			fc.DeleteLocationConf(prefix)
+			pathConf, found := fc.GetLocationConf(prefix)
+			if found {
+				pathConf.Ttl = ""
+				fc.SetLocationConf(pathConf)
+			}
 			changed = true
 		}
 	}
diff --git a/weed/shell/command_s3_bucket_quota_check.go b/weed/shell/command_s3_bucket_quota_check.go
index bc0d838f7..b130e4fad 100644
--- a/weed/shell/command_s3_bucket_quota_check.go
+++ b/weed/shell/command_s3_bucket_quota_check.go
@@ -130,7 +130,7 @@ func (c *commandS3BucketQuotaEnforce) processEachBucket(fc *filer.FilerConf, fil
 		} else {
 			fmt.Fprintf(writer, "    changing bucket %s to writable.\n", entry.Name)
 		}
-		fc.AddLocationConf(locConf)
+		fc.SetLocationConf(locConf)
 	}
 
 	return