Attaching an Azure Managed Disk to a Linux VM

1. Log in to the Azure Portal.

2. Click + Add and add search for/select Managed Disks. Select Create.

3. Configure the Disk:

• Ensure that Resource Group is set to your resource group (not empty).
• Enter inventory-processing-output for the Disk name.
• Select West US for the Region.
• Click Change size. For Account type, select Standard SSD. Select 512 GiB.

4. Review and create the disk. After a short time, your disk will be created.

1. Return to the resource group main page by clicking Home, then the resource group.

2. Click the Virtual machine resource called lab-VM.

3. Select Disks from the menu.

4. Click + Add data disk.

5. Click the Name dropdown and select inventory-processing-output.

6. Click Save.

After a few moments, the disk will be attached to the VM.

1. Log in to the VM in a terminal.

2. Verify that the disk has been attached to the VM.

dmesg | grep SCSI

You should see a line that reads:

[sdc] Attached SCSI disk

This means the managed disk is called sdc.

3. Format the new disk:

sudo fdisk /dev/sdc

4. Respond to the prompts like so:

Command (m for help): n
Partition type
   p   primary (0 primary, 0 extended, 4 free)
   e   extended (container for logical partitions)
Select (default p): p
Partition number (1-4, default 1):
First sector (2048-1073741823, default 2048):
Last sector, +sectors or +size{K,M,G,T,P} (2048-1073741823, default 1073741823):

Created a new partition 1 of type 'Linux' and of size 512 GiB.

Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.

5. Create a file system on the new partition. Note that it will take a few moments to finish building the file system:

sudo mkfs -t ext4 /dev/sdc1

6. Create the output directory:

sudo mkdir /output

7. Get the Disk's UUID. Copy the UUID value from the output:

sudo -i blkid | grep sdc1

8. Add the new disk to fstab so that it will be automatically mounted whenever the VM restarts:

sudo vi /etc/fstab

9. Add a new line to the file. Be sure to replace <your disk UUID> with the Disk UUID that was printed by the blkid command earlier:

UUID=<your disk UUID>   /output   ext4   defaults,nofail   1   2

10. Mount the new Disk immediately by reloading fstab:

sudo mount -a

11. Write some data to the disk to verify that it is working:

echo "Hello, world!" | sudo tee -a /output/test.txt

12. Read the data back from the disk:

cat /output/test.txt