Steps
1: In the below example the logical volume name is changed from testlv_old to testlv_new
Umount the filesystem /testfs associated with the logical volume
2: Rename the logical volume type
chlv -n testlv_old testlv_new
3: Change the DEV parameters of the mount point of the filesystem associates with the logical volume in
the /etc/filesystems file to match the new name of the logical volume
4: Note If you rename a JFS log , you will be prompted to run chfs on all filesystems that was renamed
5: remount the filesystem type
mount /testfs
Verfication
#df -k /testfs
# ls -ltr /testfs
#cd /testfs point / then create an file using the touch comand .
