diff --git a/README.md b/README.md
index f923c3e..8f30b1e 100644
--- a/README.md
+++ b/README.md
@@ -22,15 +22,15 @@ Dell EMC OpenManage Python SDK is supported for python 2.7 and above.
     ``` pip3 install -r requirements-python3x.txt ```
     
 # Installation
-  * This branch contains the build version 1.2.478
+  * This branch contains the build version 1.2.481
   * Install the latest development version from github:
 
 	```
 	git clone https://github.com/dell/omsdk.git
 	cd omsdk
-	sh build.sh 1.2 478
+	sh build.sh 1.2 481
 	cd dist
-	pip install omsdk-1.2.478-py2.py3-none-any.whl
+	pip install omsdk-1.2.481-py2.py3-none-any.whl
 	```
 	* If omsdk build creation fails due to `python` command error, configure
 	 `python` to launch either `python2` or `python3`. Accordingly configure the `pip` command.
@@ -40,7 +40,7 @@ Dell EMC OpenManage Python SDK is supported for python 2.7 and above.
 	
 		* Downgrade pip version to lower than 10.0 and then install omsdk
 		* Force install omsdk using:
-		  ```pip install --ignore-installed omsdk-1.2.478-py2.py3-none-any.whl```
+		  ```pip install --ignore-installed omsdk-1.2.481-py2.py3-none-any.whl```
 		  
 # Uninstallation
   * Uninstall this module as follows:
diff --git a/omdrivers/lifecycle/iDRAC/RAIDHelper.py b/omdrivers/lifecycle/iDRAC/RAIDHelper.py
index 1045f15..4f0b76d 100644
--- a/omdrivers/lifecycle/iDRAC/RAIDHelper.py
+++ b/omdrivers/lifecycle/iDRAC/RAIDHelper.py
@@ -207,17 +207,23 @@ def raid_std_validation(raid_value=None):
             if raid_value.get('pd_required') or raid_value.get('span_length') is not None:
                 pd_slots = raid_value.get('pd_required')
                 span_length = raid_value.get('span_length')
-                if operator.ne(raid.get('span_depth'), raid_value.get('span_depth')):
+                message, status = "Invalid physical disk slots or span length or span depth details.", "Failed"
+                if raid_value['raid_level'] in ["RAID 0", "RAID 1", "RAID 5", "RAID 6"] and \
+                        operator.ne(raid.get('span_depth'), raid_value.get('span_depth')):
+                    return {'Status': 'Failed', 'Message': 'Invalid span depth.'}
+                if raid_value['raid_level'] not in ["RAID 0", "RAID 1", "RAID 5", "RAID 6"] and \
+                        operator.lt(raid_value.get('span_depth'), raid.get('span_depth')):
                     return {'Status': 'Failed', 'Message': 'Invalid span depth.'}
                 if raid.get('checks')(pd_slots, len(raid.get('pd_slots'))):
                     status = "Success"
                     message = "span length validation is successful."
-                elif raid.get('checks')(span_length, raid.get('span_length')):
+                else:
+                    status, message = status, message
+                if raid.get('checks')(span_length, raid.get('span_length')):
                     status = "Success"
                     message = "physical disk slots validation is successful."
                 else:
-                    status = "Failed"
-                    message = "Invalid physical disk slots or span length or span depth details."
+                    status, message = status, message
         logger.info("Interface raid_std_validation exit")
         return {"Status": status, "Message": message}
 
diff --git a/setup.py b/setup.py
index 0f76292..6749297 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
     long_description = f.read()
 
 # Update the package version here
-omsdk_ver = '1.2.478'
+omsdk_ver = '1.2.481'
 
 # conditional dependency:include enum34 if python 2 is in use
 debug_l1_en = False