Merge pull request #9558 from shelwig/patch-2

Discrepancy in default cache setting for Data Disk

Author: ktoliver

includes/virtual-machines-common-premium-storage-performance.md

@@ -239,7 +239,7 @@ It is important to enable cache on the right set of disks. Whether you should en
 | **Disk Type** | **Default Cache Setting** |
 | --- | --- |
 | OS disk |ReadWrite |
-| Data disk |None |
+| Data disk |ReadOnly |
 
 Following are the recommended disk cache settings for data disks,