Root file system showing over utilized but no open deleted files

Issue

• The servers are showing / file system utilized at 2GB per 'df' but as per 'du' it is just 289M
• lsof is not returning any deleted file.

[root@host /]# df -hP .
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/vg_root-lv_root  4.0G  1.9G  1.9G  51% /
[root@host /]# du -hsx
289M    .
[root@host /]# pwd
/
[root@host /]# lsof /dev/mapper/vg_root-lv_root
[root@host /]# lsof /dev/vg_root/lv_root
[root@host /]# lsof / | grep -i delete
mingetty   1846      root  txt    REG  253,1    19144  1785 /sbin/mingetty (deleted)
mingetty   1848      root  txt    REG  253,1    19144  1785 /sbin/mingetty (deleted)
mingetty   1850      root  txt    REG  253,1    19144  1785 /sbin/mingetty (deleted)
mingetty   1852      root  txt    REG  253,1    19144  1785 /sbin/mingetty (deleted)
mingetty   1854      root  txt    REG  253,1    19144  1785 /sbin/mingetty (deleted)
mingetty   1856      root  txt    REG  253,1    19144  1785 /sbin/mingetty (deleted)