In this video I walkthrough using disks with Linux VMs in Azure including creating, preparing, mounting then assigning permissions.
00:00 Introduction
00:44 Overview of process
03:30 Basic VM storage
05:45 Linux file system basics and mount points
07:25 Adding a disk
10:20 Partitioning, formatting and mounting
14:10 Persisting mounts
17:00 Permissions in Linux
21:20 Demo of assigning permissions
29:14 Inheriting group owner from folders
32:28 Summary and unmount
Microsoft document walking through https://docs.microsoft.com/en-us/azure/virtual-machines/linux/attach-disk-portal.