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How to extend the root partition in Ubuntu 18.04

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5

2

I have the following situation:

Where I would like to extend the size of nvme0n1 from 8GB to 78 GB using the command line.

Adding also fdisk as requested in comments:

Any help is appreciated.

partitioning nvme

share|improve this question

edited Oct 2 at 9:32

Melebius

8,09166 gold badges3030 silver badges5757 bronze badges

asked Oct 2 at 7:54

criticalthcriticalth

15355 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Try using sudo resize2fs /dev/nvme0n1p1
  
  – Mohammad Kholghi
  Oct 2 at 8:07
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  I ran it and I get "The filesystem is already 2096891 (4k) blocks long. Nothing to do!"
  
  – criticalth
  Oct 2 at 8:10
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  First, create a new partition using sudo fdisk /dev/nvme, then format it and after all, resize your partition using resize2fs.
  
  – Mohammad Kholghi
  Oct 2 at 8:18
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Please add a screenshot of fdisk -l /dev/nvme to your question.
  
  – Mohammad Kholghi
  Oct 2 at 8:24
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Please do not post screenshots of the terminal. Paste the text directly to your question and apply code formatting.
  
  – Melebius
  Oct 2 at 9:22
  

  
  
  
  

 | 
show 7 more comments

5

2

I have the following situation:

Where I would like to extend the size of nvme0n1 from 8GB to 78 GB using the command line.

Adding also fdisk as requested in comments:

Any help is appreciated.

partitioning nvme

share|improve this question

edited Oct 2 at 9:32

Melebius

8,09166 gold badges3030 silver badges5757 bronze badges

asked Oct 2 at 7:54

criticalthcriticalth

15355 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Try using sudo resize2fs /dev/nvme0n1p1
  
  – Mohammad Kholghi
  Oct 2 at 8:07
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  I ran it and I get "The filesystem is already 2096891 (4k) blocks long. Nothing to do!"
  
  – criticalth
  Oct 2 at 8:10
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  First, create a new partition using sudo fdisk /dev/nvme, then format it and after all, resize your partition using resize2fs.
  
  – Mohammad Kholghi
  Oct 2 at 8:18
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Please add a screenshot of fdisk -l /dev/nvme to your question.
  
  – Mohammad Kholghi
  Oct 2 at 8:24
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Please do not post screenshots of the terminal. Paste the text directly to your question and apply code formatting.
  
  – Melebius
  Oct 2 at 9:22
  

  
  
  
  

 | 
show 7 more comments

I have the following situation:

Where I would like to extend the size of nvme0n1 from 8GB to 78 GB using the command line.

Adding also fdisk as requested in comments:

Any help is appreciated.

partitioning nvme

share|improve this question

edited Oct 2 at 9:32

Melebius

8,09166 gold badges3030 silver badges5757 bronze badges

asked Oct 2 at 7:54

criticalthcriticalth

15355 bronze badges

share|improve this question

edited Oct 2 at 9:32

Melebius

8,09166 gold badges3030 silver badges5757 bronze badges

asked Oct 2 at 7:54

criticalthcriticalth

15355 bronze badges

share|improve this question

edited Oct 2 at 9:32

Melebius

8,09166 gold badges3030 silver badges5757 bronze badges

asked Oct 2 at 7:54

criticalthcriticalth

15355 bronze badges

edited Oct 2 at 9:32

Melebius

8,09166 gold badges3030 silver badges5757 bronze badges

edited Oct 2 at 9:32

Melebius

8,09166 gold badges3030 silver badges5757 bronze badges

asked Oct 2 at 7:54

criticalthcriticalth

15355 bronze badges

asked Oct 2 at 7:54

criticalthcriticalth

15355 bronze badges

2 Answers
2

active

oldest

votes

2

This looks like an AWS EC2 instance you are adding a new volume to. You started correctly by listing the available devices.

Then, you need to create a file system on the new device (use sudo file -s to check if there is a file system already) with:

sudo mkfs -t ext4 /dev/nvme0n1p1

Then, make a directory on where you want to mount it:

sudo mkdir /mydata

And mount it:

sudo mount /dev/nvme0n1p1 /mydata

Finally, add it to fstab for auto mounting by editing fstab (back it up first) using:

sudo nano /etc/fstab

with the info from:

sudo lsblk -o +UUID

Test by unmounting the file system and then mounting it again with the next commands:

sudo umount /mydata
sudo mount -a

Hope this helps.

share|improve this answer

edited Oct 2 at 9:47

user3140225

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answered Oct 2 at 9:36

DGenchevDGenchev

3633 bronze badges

add a comment
 | 

0

Unfortunately, you cannot extend your root partition since it’s filling all of the available space on the device nvme0n1. If you want to utilize the space of the device nvme1n1, you can:

• Use LVM for your root partition. A logical volume can spread across multiple disks using LVM. However, this would need reinstalling your system or backing it up, preparing LVM volumes and restoring current data.


• Use nvme1n1 for a partition below your root, e.g. a separate /home or /var partition.

See also

• 
  https://unix.stackexchange.com/a/452135/54675 for NVMe device naming


• How to create a separate home partition after installing Ubuntu under single / partition

share|improve this answer

edited Oct 2 at 9:29

answered Oct 2 at 9:22

MelebiusMelebius

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add a comment
 | 

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2

This looks like an AWS EC2 instance you are adding a new volume to. You started correctly by listing the available devices.

Then, you need to create a file system on the new device (use sudo file -s to check if there is a file system already) with:

sudo mkfs -t ext4 /dev/nvme0n1p1

Then, make a directory on where you want to mount it:

sudo mkdir /mydata

And mount it:

sudo mount /dev/nvme0n1p1 /mydata

Finally, add it to fstab for auto mounting by editing fstab (back it up first) using:

sudo nano /etc/fstab

with the info from:

sudo lsblk -o +UUID

Test by unmounting the file system and then mounting it again with the next commands:

sudo umount /mydata
sudo mount -a

Hope this helps.

share|improve this answer

edited Oct 2 at 9:47

user3140225

2,71044 gold badges1212 silver badges2424 bronze badges

answered Oct 2 at 9:36

DGenchevDGenchev

3633 bronze badges

add a comment
 | 

2

This looks like an AWS EC2 instance you are adding a new volume to. You started correctly by listing the available devices.

Then, you need to create a file system on the new device (use sudo file -s to check if there is a file system already) with:

sudo mkfs -t ext4 /dev/nvme0n1p1

Then, make a directory on where you want to mount it:

sudo mkdir /mydata

And mount it:

sudo mount /dev/nvme0n1p1 /mydata

Finally, add it to fstab for auto mounting by editing fstab (back it up first) using:

sudo nano /etc/fstab

with the info from:

sudo lsblk -o +UUID

Test by unmounting the file system and then mounting it again with the next commands:

sudo umount /mydata
sudo mount -a

Hope this helps.

share|improve this answer

edited Oct 2 at 9:47

user3140225

2,71044 gold badges1212 silver badges2424 bronze badges

answered Oct 2 at 9:36

DGenchevDGenchev

3633 bronze badges

add a comment
 | 

This looks like an AWS EC2 instance you are adding a new volume to. You started correctly by listing the available devices.

Then, you need to create a file system on the new device (use sudo file -s to check if there is a file system already) with:

sudo mkfs -t ext4 /dev/nvme0n1p1

Then, make a directory on where you want to mount it:

sudo mkdir /mydata

And mount it:

sudo mount /dev/nvme0n1p1 /mydata

Finally, add it to fstab for auto mounting by editing fstab (back it up first) using:

sudo nano /etc/fstab

with the info from:

sudo lsblk -o +UUID

Test by unmounting the file system and then mounting it again with the next commands:

sudo umount /mydata
sudo mount -a

Hope this helps.

share|improve this answer

edited Oct 2 at 9:47

user3140225

2,71044 gold badges1212 silver badges2424 bronze badges

answered Oct 2 at 9:36

DGenchevDGenchev

3633 bronze badges

sudo mkfs -t ext4 /dev/nvme0n1p1

sudo mkdir /mydata

sudo mount /dev/nvme0n1p1 /mydata

sudo nano /etc/fstab

sudo lsblk -o +UUID

sudo umount /mydata
sudo mount -a

share|improve this answer

edited Oct 2 at 9:47

user3140225

2,71044 gold badges1212 silver badges2424 bronze badges

answered Oct 2 at 9:36

DGenchevDGenchev

3633 bronze badges

edited Oct 2 at 9:47

user3140225

2,71044 gold badges1212 silver badges2424 bronze badges

edited Oct 2 at 9:47

user3140225

2,71044 gold badges1212 silver badges2424 bronze badges

answered Oct 2 at 9:36

DGenchevDGenchev

3633 bronze badges

answered Oct 2 at 9:36

DGenchevDGenchev

3633 bronze badges

0

Unfortunately, you cannot extend your root partition since it’s filling all of the available space on the device nvme0n1. If you want to utilize the space of the device nvme1n1, you can:

• Use LVM for your root partition. A logical volume can spread across multiple disks using LVM. However, this would need reinstalling your system or backing it up, preparing LVM volumes and restoring current data.


• Use nvme1n1 for a partition below your root, e.g. a separate /home or /var partition.

See also

• 
  https://unix.stackexchange.com/a/452135/54675 for NVMe device naming


• How to create a separate home partition after installing Ubuntu under single / partition

share|improve this answer

edited Oct 2 at 9:29

answered Oct 2 at 9:22

MelebiusMelebius

8,09166 gold badges3030 silver badges5757 bronze badges

add a comment
 | 

0

Unfortunately, you cannot extend your root partition since it’s filling all of the available space on the device nvme0n1. If you want to utilize the space of the device nvme1n1, you can:

• Use LVM for your root partition. A logical volume can spread across multiple disks using LVM. However, this would need reinstalling your system or backing it up, preparing LVM volumes and restoring current data.


• Use nvme1n1 for a partition below your root, e.g. a separate /home or /var partition.

See also

• 
  https://unix.stackexchange.com/a/452135/54675 for NVMe device naming


• How to create a separate home partition after installing Ubuntu under single / partition

share|improve this answer

edited Oct 2 at 9:29

answered Oct 2 at 9:22

MelebiusMelebius

8,09166 gold badges3030 silver badges5757 bronze badges

add a comment
 | 

Unfortunately, you cannot extend your root partition since it’s filling all of the available space on the device nvme0n1. If you want to utilize the space of the device nvme1n1, you can:

• Use LVM for your root partition. A logical volume can spread across multiple disks using LVM. However, this would need reinstalling your system or backing it up, preparing LVM volumes and restoring current data.


• Use nvme1n1 for a partition below your root, e.g. a separate /home or /var partition.

See also

• 
  https://unix.stackexchange.com/a/452135/54675 for NVMe device naming


• How to create a separate home partition after installing Ubuntu under single / partition

share|improve this answer

edited Oct 2 at 9:29

answered Oct 2 at 9:22

MelebiusMelebius

8,09166 gold badges3030 silver badges5757 bronze badges

share|improve this answer

edited Oct 2 at 9:29

answered Oct 2 at 9:22

MelebiusMelebius

8,09166 gold badges3030 silver badges5757 bronze badges

answered Oct 2 at 9:22

MelebiusMelebius

8,09166 gold badges3030 silver badges5757 bronze badges

answered Oct 2 at 9:22

MelebiusMelebius

8,09166 gold badges3030 silver badges5757 bronze badges