diff --git a/Production-Setup.md b/Production-Setup.md
index e1511cd..973455f 100644
--- a/Production-Setup.md
+++ b/Production-Setup.md
@@ -63,23 +63,29 @@ Additional notes:
 
 Adding volume servers is easy. Actually this is much easier than most other systems.
 
-#### For machine with one disk to use
+* **For machine with one disk to use**
+
 Run this to setup:
 ```
 weed volume -master=ip1:9333,ip2:9333,ip3:9333 -dataCenter=dc1 -rack=rack1 -dir=/data/seaweedfs/volume -ip=xxx.xxx.xxx.xxx -max=0
 ```
 
-#### For machine with multiple disks
+* **For machine with multiple disks**
+
 Configure the `-dir` to be comma separated directory list, and set `-max` for corresponding directories, assuming the `/data/seaweedfs/volume[x]` are on different disks. 
 ```
 weed volume -master=ip1:9333,ip2:9333,ip3:9333 -dataCenter=dc1 -rack=rack1 -ip=xxx.xxx.xxx.xxx -dir=/data/seaweedfs/volume1,/data/seaweedfs/volume2,/data/seaweedfs/volume3 -max=0,0,0
 ```
-Do not use directories on the same disk. The automatic volume count limit will double count the capacity.
+Do not use multiple directories on the same disk. The automatic volume count limit will double count the capacity.
 
-#### For machine with multiple disks
-You can also create multiple volume servers on different ports. 
+* **For machine with multiple disks**
+
+You can also create multiple volume servers on different ports. It could be easier for changing disks.
 ```
-weed volume -master=ip1:9333,ip2:9333,ip3:9333 -dataCenter=dc1 -rack=rack1 -dir=/data/seaweedfs/volume -ip=xxx.xxx.xxx.xxx -max=0
+weed volume -master=ip1:9333,ip2:9333,ip3:9333 -dataCenter=dc1 -rack=rack1 -dir=/data/seaweedfs/volume1 -ip=xxx.xxx.xxx.xxx -max=0 -port=8081
+weed volume -master=ip1:9333,ip2:9333,ip3:9333 -dataCenter=dc1 -rack=rack1 -dir=/data/seaweedfs/volume2 -ip=xxx.xxx.xxx.xxx -max=0 -port=8082
+weed volume -master=ip1:9333,ip2:9333,ip3:9333 -dataCenter=dc1 -rack=rack1 -dir=/data/seaweedfs/volume3 -ip=xxx.xxx.xxx.xxx -max=0 -port=8083
+
 ```
 
 Additional notes: