Bisogna collegare il disco USB esterno alla macchina dove gira Proxmox e accenderlo.
Digitando il comando
root@pve01:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 465.8G 0 disk
└─sda1 8:1 0 465.8G 0 part
nvme0n1 259:0 0 931.5G 0 disk
├─nvme0n1p1 259:1 0 1007K 0 part
├─nvme0n1p2 259:2 0 1G 0 part /boot/efi
└─nvme0n1p3 259:3 0 930.5G 0 part
├─pve-swap 252:0 0 8G 0 lvm [SWAP]
├─pve-root 252:1 0 96G 0 lvm /
├─pve-data_tmeta 252:2 0 8.1G 0 lvm
│ └─pve-data-tpool 252:4 0 794.3G 0 lvm
│ ├─pve-data 252:5 0 794.3G 1 lvm
│ ├─pve-vm--101--disk--0 252:6 0 8G 0 lvm
│ ├─pve-vm--100--disk--0 252:7 0 4M 0 lvm
│ ├─pve-vm--100--disk--1 252:8 0 32G 0 lvm
│ ├─pve-vm--102--disk--0 252:9 0 50G 0 lvm
│ ├─pve-vm--103--disk--0 252:10 0 50G 0 lvm
│ ├─pve-vm--104--disk--0 252:11 0 8G 0 lvm
│ ├─pve-vm--105--disk--0 252:12 0 50G 0 lvm
│ ├─pve-vm--107--disk--0 252:13 0 100G 0 lvm
│ ├─pve-vm--108--disk--0 252:14 0 10G 0 lvm
│ ├─pve-vm--109--disk--0 252:15 0 10G 0 lvm
│ └─pve-vm--106--disk--0 252:16 0 32G 0 lvm
└─pve-data_tdata 252:3 0 794.3G 0 lvm
└─pve-data-tpool 252:4 0 794.3G 0 lvm
├─pve-data 252:5 0 794.3G 1 lvm
├─pve-vm--101--disk--0 252:6 0 8G 0 lvm
├─pve-vm--100--disk--0 252:7 0 4M 0 lvm
├─pve-vm--100--disk--1 252:8 0 32G 0 lvm
├─pve-vm--102--disk--0 252:9 0 50G 0 lvm
├─pve-vm--103--disk--0 252:10 0 50G 0 lvm
├─pve-vm--104--disk--0 252:11 0 8G 0 lvm
├─pve-vm--105--disk--0 252:12 0 50G 0 lvm
├─pve-vm--107--disk--0 252:13 0 100G 0 lvm
├─pve-vm--108--disk--0 252:14 0 10G 0 lvm
├─pve-vm--109--disk--0 252:15 0 10G 0 lvm
└─pve-vm--106--disk--0 252:16 0 32G 0 lvm
individuiamo il disco, in questo caso /dev/sda, e lo formattiamo:
root@pve01:~# mkfs.ext4 /dev/sda -F
mke2fs 1.47.0 (5-Feb-2023)
Found a dos partition table in /dev/sda
Creating filesystem with 122096646 4k blocks and 30531584 inodes
Filesystem UUID: 09f14ad7-bf92-4f34-931e-26eb1a2d5aa8
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
102400000
Allocating group tables: done
Writing inode tables: done
Creating journal (262144 blocks):
done
Writing superblocks and filesystem accounting information: done
Creiamo il punto di mount, montiamo il device e verifichiamo i dischi montati:
root@pve01:~# mkdir /mnt/usb_backup
root@pve01:~# mount /dev/sda /mnt/usb_backup
root@pve01:~# df -h
Filesystem Size Used Avail Use% Mounted on
udev 16G 0 16G 0% /dev
tmpfs 3.2G 3.5M 3.2G 1% /run
/dev/mapper/pve-root 94G 63G 27G 70% /
tmpfs 16G 46M 16G 1% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
efivarfs 192K 98K 90K 52% /sys/firmware/efi/efivars
/dev/nvme0n1p2 1022M 12M 1011M 2% /boot/efi
/dev/fuse 128M 20K 128M 1% /etc/pve
tmpfs 3.2G 0 3.2G 0% /run/user/0
/dev/sda 458G 28K 435G 1% /mnt/usb_backup
Per effettuare il backup dovremo:
root@pve01:~# umount /dev/sda