How Linux changes the root and home partition size summary

1. Installed CentOS7.5 virtual machine but found inside the operating system home partition accounted for 400g root partition only 50g think not very good, so to change.

2. Methods. It seems to be an XFS file format that cannot be processed using RESIZE2FS, and it needs to be handled in a XFS_GROWFS way.

3. Method: Df-h View disk status

4. Then use

View the file format of the home partition

5. Uninstall the home section

Umount/home

6. Delete Home's LV

Lvremove/dev/centos/centos-home

Select Yes to operate

7. Expand the size of the root partition

Lvextend-l +350g/dev/mapper/centos-root

8. Conduct XFS_GROWFS

Xfs_growfs/dev/centos/root

9. Create the LV for home

Lvcreate-l 50gb-n Home CentOS

10. Creating a File system

Mkfs.xfs/dev/centos/home

11 Hanging on

Mount/dev/mapper/centos-home

Can

How Linux changes the root and home partition size summary