Increase diskstorage for Linux VMs To increase the storage drive you first have to increase the storagecapacity in the proxmox admin gui. Then you can use the following commands in this order to increase the size of the volume. fdisk -l cfdisk Next choose "Resize" and then "Write". fdisk -l #example path: /dev/sda parted Next choose "print" -> "Resizepart". Enter number of device. Then choose "quit". pvresize lvextend -l +100%FREE resize2fs df -h Then reboot the machine.