In my case I will shrink or reduce the /home size using lvreduce command. To reduce lvm size first umount the partition and run e2fsck & then resize2fs.
Steps to reduce the /home partition to 5GB
Step:1 Check the disk space using below command
Umount /home using below command :
[root@localhost ~]# umount /home
Step:2 Use e2fsck command to check the file system
[root@localhost ~]# e2fsck -f /dev/mapper/VolGroup-LogVol01
Step:3 Resize the partition using below command
Step:4 Use lvreduce command to reduce the size as shown below
Step:5 Mount and check the partition size
