Resolving "No Space Left on Device" While Extending an LVM Volume in Ubuntu

Resolving "No Space Left on Device" While Extending an LVM Volume in Ubuntu


When you are trying to extend your LVM (Logical Volume Manager) partition but encountered a "No space left on device" error. Your home directory (/home/user) is mounted on /dev/mapper/ubuntu--vg-ubuntu--lv, which is already at 100% usage.

Here’s how you can increase the home directory size by extending the logical volume:

Step 1: Check Available Free Space

Run the following command to check how much free space is available in your LVM volume group:
  1. vgdisplay

Look for the "Free PE / Size" field. If there’s free space, you can extend the volume.

Step 2: Extend the Logical Volume

If free space is available in your volume group, extend your home directory's logical volume by running:
  1. sudo lvextend -l +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv

This command assigns all available free space to the volume.

Step 3: Resize the Filesystem

After extending the logical volume, you need to resize the filesystem to use the new space:
For ext4 filesystem (most common):
  1. sudo resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv

For XFS filesystem:

  1. sudo xfs_growfs /home/user

Step 4: Verify the Changes

Check if the space has been added successfully:
  1. df -h /home/user

If your volume group is full and there’s no free space left in it, you will need to add a new physical volume (another disk or partition) and extend the volume group.

When volume group is full

  1. unable to run sudo lvextend -l +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv its showing no space left

Solution 1: Check If There’s Unallocated Space on the Disk

  1. lsblk

Look for the main disk (e.g., nvme0n1) and check if there’s any unpartitioned free space. If there is:

  1. Extend the Partition (if using LVM directly on a partition):

    sudo parted /dev/nvme0n1
  2. Type print to see partitions.

    1. If there’s free space, type:


      resizepart 3 100%

      (Replace 3 with the correct partition number for LVM.)

    • Exit parted by typing quit.

  4. Resize the Physical Volume (PV):

    sudo pvresize /dev/nvme0n1p3

    (Replace nvme0n1p3 with the correct partition.)

  5. Try Extending Again:

    sudo lvextend -l +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv
sudo resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv  # for ext4


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