diff --git a/.gitignore b/.gitignore
index 360cbb2cb..57fd53063 100644
--- a/.gitignore
+++ b/.gitignore
@@ -74,3 +74,4 @@ com_crashlytics_export_strings.xml
 crashlytics.properties
 crashlytics-build.properties
 
+test_data
diff --git a/Makefile b/Makefile
index 25a6a39cd..6719a7bdd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,22 @@
+BINARY = weed
 
-.clean:
-	go clean -i -v ./go/weed/
+GO_FLAGS = #-v
+SOURCE_DIR = ./go/weed/
 
-.deps:
-	go get -d ./go/weed/
+all: build
 
-.build: .deps
-	go build -v ./go/weed/
+.PHONY : clean deps build linux
 
-all: .build
+clean:
+	go clean -i $(GO_FLAGS) $(SOURCE_DIR)
+	rm -f $(BINARY)
+
+deps:
+	go get $(GO_FLAGS) -d $(SOURCE_DIR)
+
+build: deps
+	go build $(GO_FLAGS) -o $(BINARY) $(SOURCE_DIR)
+
+linux: deps
+	mkdir -p linux
+	GOOS=linux GOARCH=amd64 go build $(GO_FLAGS) -o linux/$(BINARY) $(SOURCE_DIR)
diff --git a/go/operation/chunked_file.go b/go/operation/chunked_file.go
index 0e455e93a..33cb25703 100644
--- a/go/operation/chunked_file.go
+++ b/go/operation/chunked_file.go
@@ -30,10 +30,10 @@ type ChunkInfo struct {
 type ChunkList []*ChunkInfo
 
 type ChunkManifest struct {
-	Name      string    `json:"name,omitempty"`
-	Mime      string    `json:"mime,omitempty"`
-	Size      int64     `json:"size,omitempty"`
-	Chunks    ChunkList `json:"chunks,omitempty"`
+	Name   string    `json:"name,omitempty"`
+	Mime   string    `json:"mime,omitempty"`
+	Size   int64     `json:"size,omitempty"`
+	Chunks ChunkList `json:"chunks,omitempty"`
 }
 
 // seekable chunked file reader
@@ -50,7 +50,13 @@ func (s ChunkList) Len() int           { return len(s) }
 func (s ChunkList) Less(i, j int) bool { return s[i].Offset < s[j].Offset }
 func (s ChunkList) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
 
-func LoadChunkedManifest(buffer []byte) (*ChunkManifest, error) {
+func LoadChunkManifest(buffer []byte, isGzipped bool) (*ChunkManifest, error) {
+	if isGzipped {
+		var err error
+		if buffer, err = UnGzipData(buffer); err != nil {
+			return nil, err
+		}
+	}
 	cm := ChunkManifest{}
 	if e := json.Unmarshal(buffer, &cm); e != nil {
 		return nil, e
diff --git a/go/storage/compress.go b/go/operation/compress.go
similarity index 98%
rename from go/storage/compress.go
rename to go/operation/compress.go
index 4047c1723..b1105ba4b 100644
--- a/go/storage/compress.go
+++ b/go/operation/compress.go
@@ -1,4 +1,4 @@
-package storage
+package operation
 
 import (
 	"bytes"
diff --git a/go/storage/needle.go b/go/storage/needle.go
index e1902e461..32ebdae7d 100644
--- a/go/storage/needle.go
+++ b/go/storage/needle.go
@@ -15,6 +15,7 @@ import (
 	"github.com/chrislusf/seaweedfs/go/glog"
 	"github.com/chrislusf/seaweedfs/go/images"
 	"github.com/chrislusf/seaweedfs/go/util"
+	"github.com/chrislusf/seaweedfs/go/operation"
 )
 
 const (
@@ -117,8 +118,8 @@ func ParseUpload(r *http.Request) (fileName string, data []byte, mimeType string
 	}
 	if part.Header.Get("Content-Encoding") == "gzip" {
 		isGzipped = true
-	} else if IsGzippable(ext, mtype) {
-		if data, e = GzipData(data); e != nil {
+	} else if operation.IsGzippable(ext, mtype) {
+		if data, e = operation.GzipData(data); e != nil {
 			return
 		}
 		isGzipped = true
diff --git a/go/weed/weed_server/volume_server_handlers_read.go b/go/weed/weed_server/volume_server_handlers_read.go
index 34b0720b9..6b40194ff 100644
--- a/go/weed/weed_server/volume_server_handlers_read.go
+++ b/go/weed/weed_server/volume_server_handlers_read.go
@@ -114,7 +114,7 @@ func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 			if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
 				w.Header().Set("Content-Encoding", "gzip")
 			} else {
-				if n.Data, err = storage.UnGzipData(n.Data); err != nil {
+				if n.Data, err = operation.UnGzipData(n.Data); err != nil {
 					glog.V(0).Infoln("lookup error:", err, r.URL.Path)
 				}
 			}
@@ -230,15 +230,8 @@ func (vs *VolumeServer) tryHandleChunkedFile(n *storage.Needle, fileName string,
 		return false
 	}
 	processed = true
-	if n.IsGzipped(){
-		var err error
-		if n.Data, err = storage.UnGzipData(n.Data); err != nil {
-			glog.V(0).Infoln("ungzip data error:", err, r.URL.Path)
-			return false
-		}
-	}
 
-	chunkManifest, e := operation.LoadChunkedManifest(n.Data)
+	chunkManifest, e := operation.LoadChunkManifest(n.Data, n.IsGzipped())
 	if e != nil {
 		glog.V(0).Infoln("load chunked manifest error:", e)
 		return false
diff --git a/go/weed/weed_server/volume_server_handlers_write.go b/go/weed/weed_server/volume_server_handlers_write.go
index 2f7e79ce9..911ed96fa 100644
--- a/go/weed/weed_server/volume_server_handlers_write.go
+++ b/go/weed/weed_server/volume_server_handlers_write.go
@@ -66,6 +66,17 @@ func (vs *VolumeServer) DeleteHandler(w http.ResponseWriter, r *http.Request) {
 		glog.V(0).Infoln("delete", r.URL.Path, "with unmaching cookie from ", r.RemoteAddr, "agent", r.UserAgent())
 		return
 	}
+	if n.IsChunkedManifest(){
+		chunkManifest, e := operation.LoadChunkManifest(n.Data, n.IsGzipped())
+		if e != nil {
+			writeJsonError(w, r, http.StatusInternalServerError, errors.New("Load chunks manifest error: " + e.Error()))
+			return
+		}
+		if e := chunkManifest.DeleteChunks(vs.GetMasterNode()); e != nil {
+			writeJsonError(w, r, http.StatusInternalServerError, errors.New("Delete chunks error: " + e.Error()))
+			return
+		}
+	}
 
 	ret := topology.ReplicatedDelete(vs.GetMasterNode(), vs.store, volumeId, n, r)