# with lvm utilize entire disk:

```bash
sudo pvcreate /dev/sdb
sudo vgcreate fast-vg /dev/sdb
sudo lvcreate -l 100%FREE -n fast-lv fast-vg
sudo mkfs.ext4 /dev/fast-vg/fast-lv
sudo mkdir -p /mnt/log/fast
echo '/dev/fast-vg/fast-lv /mnt/log/fast ext4 defaults 0 2' | sudo tee -a /etc/fstab
sudo mount /mnt/log/fast
```