diff --git a/.travis.yml b/.travis.yml
index 612f643e9..b42847e8e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,9 +29,12 @@ deploy:
     - build/linux_arm64.tar.gz
     - build/linux_386.tar.gz
     - build/linux_amd64.tar.gz
+    - build/linux_amd64_large_disk.tar.gz
     - build/darwin_amd64.tar.gz
+    - build/darwin_amd64_large_disk.tar.gz
     - build/windows_386.zip
     - build/windows_amd64.zip
+    - build/windows_amd64_large_disk.zip
     - build/freebsd_arm.tar.gz
     - build/freebsd_amd64.tar.gz
     - build/freebsd_386.tar.gz
diff --git a/Makefile b/Makefile
index 9357b2a03..cce9d586d 100644
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,9 @@ build = CGO_ENABLED=0 GOOS=$(1) GOARCH=$(2) go build -ldflags "-extldflags -stat
 tar = cd build && tar -cvzf $(1)_$(2).tar.gz $(appname)$(3) && rm $(appname)$(3)
 zip = cd build && zip $(1)_$(2).zip $(appname)$(3) && rm $(appname)$(3)
 
+build_large = CGO_ENABLED=0 GOOS=$(1) GOARCH=$(2) go build -tags 5BytesOffset -ldflags "-extldflags -static" -o build/$(appname)$(3) $(SOURCE_DIR)
+tar_large = cd build && tar -cvzf $(1)_$(2)_large_disk.tar.gz $(appname)$(3) && rm $(appname)$(3)
+zip_large = cd build && zip $(1)_$(2)_large_disk.zip $(appname)$(3) && rm $(appname)$(3)
 
 all: build
 
@@ -32,9 +35,21 @@ linux: deps
 	mkdir -p linux
 	GOOS=linux GOARCH=amd64 go build $(GO_FLAGS) -o linux/$(BINARY) $(SOURCE_DIR)
 
-release: deps windows_build darwin_build linux_build bsd_build
+release: deps windows_build darwin_build linux_build bsd_build 5_byte_linux_build 5_byte_darwin_build 5_byte_windows_build
 
 ##### LINUX BUILDS #####
+5_byte_linux_build:
+	$(call build_large,linux,amd64,)
+	$(call tar_large,linux,amd64)
+
+5_byte_darwin_build:
+	$(call build_large,darwin,amd64,)
+	$(call tar_large,darwin,amd64)
+
+5_byte_windows_build:
+	$(call build_large,windows,amd64,.exe)
+	$(call zip_large,windows,amd64,.exe)
+
 linux_build: build/linux_arm.tar.gz build/linux_arm64.tar.gz build/linux_386.tar.gz build/linux_amd64.tar.gz
 
 build/linux_386.tar.gz: $(sources)
diff --git a/weed/command/master.go b/weed/command/master.go
index 15d1171e0..cd5704c3f 100644
--- a/weed/command/master.go
+++ b/weed/command/master.go
@@ -70,7 +70,7 @@ func runMaster(cmd *Command, args []string) bool {
 	if *masterWhiteListOption != "" {
 		masterWhiteList = strings.Split(*masterWhiteListOption, ",")
 	}
-	if *volumeSizeLimitMB > 30*1000 {
+	if *volumeSizeLimitMB > util.VolumeSizeLimitGB*1000 {
 		glog.Fatalf("volumeSizeLimitMB should be smaller than 30000")
 	}
 
diff --git a/weed/command/server.go b/weed/command/server.go
index d88ded0ee..1638a7218 100644
--- a/weed/command/server.go
+++ b/weed/command/server.go
@@ -140,7 +140,7 @@ func runServer(cmd *Command, args []string) bool {
 
 	folders := strings.Split(*volumeDataFolders, ",")
 
-	if *masterVolumeSizeLimitMB > 30*1000 {
+	if *masterVolumeSizeLimitMB > util.VolumeSizeLimitGB*1000 {
 		glog.Fatalf("masterVolumeSizeLimitMB should be less than 30000")
 	}
 
diff --git a/weed/util/constants.go b/weed/util/constants.go
index 0a4980e6f..1ed60b26f 100644
--- a/weed/util/constants.go
+++ b/weed/util/constants.go
@@ -1,5 +1,9 @@
 package util
 
-const (
-	VERSION = "1.28"
+import (
+	"fmt"
+)
+
+var (
+	VERSION = fmt.Sprintf("%s %d.%d", sizeLimit, 1, 28)
 )
diff --git a/weed/util/constants_4bytes.go b/weed/util/constants_4bytes.go
new file mode 100644
index 000000000..a29d9d3b0
--- /dev/null
+++ b/weed/util/constants_4bytes.go
@@ -0,0 +1,8 @@
+// +build !5BytesOffset
+
+package util
+
+const (
+	sizeLimit         = "30GB"
+	VolumeSizeLimitGB = 30
+)
diff --git a/weed/util/constants_5bytes.go b/weed/util/constants_5bytes.go
new file mode 100644
index 000000000..91ce4066f
--- /dev/null
+++ b/weed/util/constants_5bytes.go
@@ -0,0 +1,8 @@
+// +build 5BytesOffset
+
+package util
+
+const (
+	sizeLimit         = "8000GB"
+	VolumeSizeLimitGB = 8000
+)