🛠️ Fix LVM Disk Space Issue on Ubuntu

When you run lsblk and see a large disk (e.g., 3.2TB), but df -h shows only a few GB (e.g., 2.7GB), you might be using LVM and not utilizing the full disk space.

This guide shows how to extend the logical volume and filesystem to use all available space.

---

🧠 Problem Summary

• lsblk shows full disk size:

• But df -h shows:

---

✅ Solution: Extend LVM Logical Volume and Filesystem

️Step 1: Confirm the correct LV name using:

Run:

lvdisplay

Step 2: Let's extend it to use all the free space using volume group and LV names:

lvextend -l +100%FREE /dev/datastore/LOG

Step 3: After resizing the logical volume, resize the filesystem:

resize2fs /dev/mapper/datastore-LOG

Now run df -h again to check if the disk space has been extended..

❤️ Support

If this guide helped you, feel free to star ⭐ this repository and share it with others!