Extend root LVM

1. Extend disk capacity on Linux VM setting.
2. Reboot Linux VM
3. Open Logical Volume Management , you can find Unpartitioned space under Uninitialized Entities

4. Open terminal , check disk raw space is extend to your requirement but usable space is keep the same space without any change.

5. Format the unspace disk to LVM format.

 

6. Enable change without reboot 

7. Check Uninititalized Entities status, there are new partition existing and click initialize Entity

8. Click Yes for make sure Initialize it

9. New unallocated partition will appear in Unallocated Volumes and click Add to existing Volume Group

10. Add it into root VG


11. Use lvextend and resize2fs command to extend root LV