Saturday, July 16, 2022

How to Extend a LVM on Ubuntu

 ok so here is how to extend a LVM volume on a ubuntu server/desktop machine ( this was done on a virtual machine)

  1. open the guest in vmware and increase the volume size
  2. ssh into the guest
  3. type fdisk /dev/sda (if you have a diffrent disk you will need to use the appropriate disk name)
  4. press p (to display the partition table)
  5. create a new partiton the same type as the last partition (press n)
  6. keep pressing enter until you get to the partition type and set it the same as the last one
  7. leave the rest as default, keep pressing enter
  8. press w (to write to the partition table)
  9. restart the machine
  10. type vgdisplay (make note of the name of your volume group)
  11. type vgextend ubuntu-vg /dev/sda3 (replace ubuntu-vg with the name of the volume group and 3 with the new partition number u just created)
  12. extend the lvm by typing lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv /dev/sda4 (make sure the lvm name is correct and sda4 is the new partition
  13. extend the volume by typing resize2fs /dev/ubuntu-vg/ubuntu-lv
  14. type df -h and confirm the new volume size

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