server@server-B450M-HDV-R4-0:~$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS loop0 7:0 0 4K 1 loop /snap/bare/5 loop1 7:1 0 258M 1 loop /snap/firefox/5751 loop2 7:2 0 73.9M 1 loop /snap/core22/1748 loop3 7:3 0 11.1M 1 loop /snap/firmware-updater/167 loop4 7:4 0 516M 1 loop /snap/gnome-42-2204/202 loop5 7:5 0 91.7M 1 loop /snap/gtk-common-themes/1535 loop6 7:6 0 10.8M 1 loop /snap/snap-store/1248 loop7 7:7 0 44.4M 1 loop /snap/snapd/23545 loop8 7:8 0 568K 1 loop /snap/snapd-desktop-integration/253 sda 8:0 0 238.5G 0 disk ├─sda1 8:1 0 1G 0 part /boot/efi └─sda2 8:2 0 237.4G 0 part / sdb 8:16 0 1.8T 0 disk ├─sdb1 8:17 0 1.8T 0 part └─sdb9 8:25 0 8M 0 part server@server-B450M-HDV-R4-0:~$ sudo mkdir -p /mnt/ssd [sudo] password for server: server@server-B450M-HDV-R4-0:~$ ls 88x2bu-20210702 Desktop Documents Downloads Music Pictures Public rtl8822bu snap Templates Videos server@server-B450M-HDV-R4-0:~$ sudo mount /dev/sdb1 /mnt/ssd mount: /mnt/ssd: unknown filesystem type 'zfs_member'. dmesg(1) may have more information after failed mount system call. mount: (hint) your fstab has been modified, but systemd still uses the old version; use 'systemctl daemon-reload' to reload.