Detailed steps to expand LVM disk in Linux

1. Add a hard disk

2. Check the partition status: fdisk -l

3. Set up partitions:

fdisk /dev/sdb Enter

m Enter

n Enter

p Enter

w Enter

4. Check the partition again: fdisk /dev/sdb and press Enter

t Enter

3 Enter

L Enter

8e Enter

w Enter

5. Look at the partition again:

6. Format the new partition as ext3: mkfs.ext3 /dev/sdb1

7. Convert the partition to a physical volume: pvcreate /dev/sdb1

8. Use the pvdisplay command to view physical volume information: pvdisplay

9. Use the vgdisplay command to view VG information: vgdisplay

10. Add the physical volume just initialized to the physical volume of the primary partition: vgextend cl /dev/sdb1

11. Use the vgdisplay command to view VG information: vgdisplay

12. Check the mounted disk: df -h

13. Use the lvextend command to expand the /home partition: lvextend -l +5119 /dev/mapper/cl-root

14. Mount: xfs_growfs /dev/mapper/cl-root

15. Check the mounted disk: df -h

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