diff --git a/microsoft/testsuites/core/storage.py b/microsoft/testsuites/core/storage.py
index dd4d5d7992..f431bbb15a 100644
--- a/microsoft/testsuites/core/storage.py
+++ b/microsoft/testsuites/core/storage.py
@@ -653,11 +653,11 @@ def _hot_add_disk_serial(
 
         # get max data disk count for the node
         assert node.capability.disk
-        #assert isinstance(
+        # assert isinstance(
         #    node.capability.disk.max_data_disk_count, int
-        #), f"actual type: {node.capability.disk.max_data_disk_count}"
-        #max_data_disk_count = node.capability.disk.max_data_disk_count
-        max_data_disk_count = 32
+        # ), f"actual type: {node.capability.disk.max_data_disk_count}"
+        # max_data_disk_count = node.capability.disk.max_data_disk_count
+        max_data_disk_count = 24
         log.debug(f"max_data_disk_count: {max_data_disk_count}")
 
         # get the number of data disks already added to the vm
@@ -749,11 +749,11 @@ def _hot_add_disk_parallel(
 
         # get max data disk count for the node
         assert node.capability.disk
-        #assert isinstance(
+        # assert isinstance(
         #    node.capability.disk.max_data_disk_count, int
-        #), f"actual type: {node.capability.disk.max_data_disk_count}"
+        # ), f"actual type: {node.capability.disk.max_data_disk_count}"
         # max_data_disk_count = node.capability.disk.max_data_disk_count
-        max_data_disk_count = 32
+        max_data_disk_count = 24
         log.debug(f"max_data_disk_count: {max_data_disk_count}")
 
         # get the number of data disks already added to the vm