Add Storage Drive To Proxmox 7

Web GUI Shell

Access your node’s shell from web interface as root.

List Available Devices

This command lists all available discs. In this case, SDA is the additional SATA drive.

Lsblk is used to display details about block devices and these block devices(Except ram disk) are basically those files that represent devices connected to the pc.

LSBLK command

lsblk

Format And Partition

apt-get update
apt policy parted
apt install parted
parted /dev/sda mklabel gpt

Create one primary partition with ext4 filesystem

Change YOURLABELGOESHERE with the label you want for your drive

parted -a opt /dev/sda mkpart primary ext4 0% 100%
mkfs.ext4 -L YOURLABELGOESHERE /dev/sda1

New partition will show up after issuing lsblk command again

Create Mount Point

Create directory for the new drive in /mnt

Change YOURDIRECTORY to anything you need, eg externaldrive or backups

mkdir -p /mnt/YOURDIRECTORY

Auto Mount After Reboot

Edit /etc/fstab to auto mount the new drive after restart

nano /etc/fstab

Add this entry, change YOURLABELGOESHERE and YOURDIRECTORY to whatever you used

LABEL=YOURLABELGOESHERE /mnt/YOURDIRECTORY ext4 defaults 0 2

Reload Mount Points

Reload /etc/fstab configuration

mount -a

Confirm Available Devices

Check that everything is mounted and visible for the system

In this case, new drive sda has primary partition sda1, mounted at /mnt/backups with a label of backups.

lsblk

Add The Drive As Storage In Proxmox 7

Navigate to your web interface and select the node, then Storage menu.

Click Add

Select Directory

Fill in all the fields, changing YOURID to anything you want and /mnt/YOURDIRECTORY to whatever you used in previous steps

If you want to use this drive as backup storage for your node, ensure VZDump is selected as Content

Click Add

Summary

Your drive will auto mount after reboot and will serve as storage space for your Proxmox installation.

You can select it as storage when performing backups of CTs and VMs.