5 files changed, 24 insertions, 4 deletions
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
+)