Increase/Extend Root Filesystem Online Without Downtime & Without Losing Data Using fdisk In Linux

37 thoughts on “Increase/Extend Root Filesystem Online Without Downtime & Without Losing Data Using fdisk In Linux”

• Thanks!

• Your procedures are pretty dangerous. If this is in production, I have to ensure I have another job to go to when this blow over 🙂

• tyvm

• What if my filesystem is not xfs and is lvm?

• yo man why it shows This disk is currently in use – repartitioning is probably a bad idea.
  It's recommended to umount all file systems, and swapoff all swap
  partitions on this disk.
  Can you give help me in doing what it says

• on Fedora at step 5, in order to grow the size I used `sudo btrfs filesystem resize max /` instead of `xfs_growfs` or `resize2fs`

• a cause de toi j'ai plus de VM !!

• Hi ,
  Can extending a drive that contains MySQL be corrupted after the process?
  My drive is sda5 and it /var/lib/mysql

  thanks!!

• I'm trying to figure it out on My own. But, I worried that it didn't work properly :". IDK

• after typing n in 2:43 it showed
  Command (m for help): n

  Partition number (3-128, default 3):

  i tried typing p but it said value out of range

• Thank you dude, a really good tutorial. I have got the [mtd device must be supplied (device name is empty)] error in my vmware linux host machine and this video helps me to increase the size of the machine. 😅😅😅

• Hi,

  while installing cent os I have done the manual partition and give more space to the/var directory as per company requirements.
  but now the space got filled with data so I am planning to add one more HDD drive,

  hence my question is

  is that possible to increase the size of /var?
  or
  i need to mount the partition to diff directory

  Thank you

  please guide me in this case.

• Thank you. Does not gparted do the same thing with equal performance regarding zero downtime and data loss? Kindest regards.

• THANK YOU BROTHER, MY BOSS IS SATISFIED

• Awesome, man my macbook created a partition called EFI on my external hard drive, how do I delete it?
  /dev/disk1 (external, physical):
  #: TYPE NAME SIZE IDENTIFIER
  0: GUID_partition_scheme *1.0 TB disk1
  1: EFI EFI 209.7 MB disk1s1
  2: Microsoft Basic Data ENG PAULO 999.9 GB disk1s2

• Hi,
  If the root and boot partition is same in that scenario can extend the partition in same manner

• Well demonstrated video

• thank you so muchj man rlly appreciate itl

• Great video

• thank you <3

• You earned a sub also I had to use a ext command

• You are a blessing!

• very nice video but you need a new microphone you sound like your talking in a tin can. its difficult to hear what your saying, also could you zoom in the printing is very small.

• for me it says permission denied when I try to do smth , my root file system is full its a 100% I cant login to my linux idk what should I do

• u deleted sda3 won't that cause any data loss?

• hello friend, how could i do a similar process with RAIDs ? i had a RAID 1 mounted with two 200gb HDs, now I'm replacing them with two 500gb ones, but as the RAID's being recovered, it's still stuck on the 200gb partitions (sda1-sdb1/sda2-sdb2). could you please help me increase these partitions so it'll match the 500gb ? thank you

• Have you deleted partition and not lost the data?

• TY!!!!

• Perfect tutorial for resizing/increasing partition size in Linux virtual machine using fdisk.

• Thank you so much! saved me a ton of time

• Thank you! Finally I could do that. It works fine.

• Mister, if i do this into a VPS with a cpanel like plesk installed, its possible that data loss occurs?
  i say this because you remove a partition in the video, and that looks like a potential data loss cause

  please, i need your help

• it helped me a lot, thanks man!

• Can you also decrease the file system partition using this method?

  I tried to make 4 seperate partitions on my 2tb NVMe before installing Zorin but I struggled with the file settings for the partitioning so I did a clean install.

  I was hoping you could resize partitions quite easily like in Windows but I'm struggling so far… 😅

• You help me a lot !!!! After seeing your site I was able to increase the fuc … xfs partition !!!

• It props an error on the final step

  root@etisp:~# xfs_growfs /
  xfs_growfs: specified file ["/"] is not on an XFS filesystem

• Will this work on Oracle Linux?

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