[root@sfzwapp2 /]# umount -f /app
umount2: Device or resource busy
umount: /app: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
umount2: Device or resource busy
[root@sfzwapp2 /]# fuser -c /app
/app: 18822ce
[root@sfzwapp2 /]# ps -ef|grep 18822
root 18822 1 0 00:00 ? 00:00:07 ./nmon_x86_64_rhel6 -f -T -s 120 -c 720
root 21559 21427 0 14:55 pts/2 00:00:00 grep 18822
[root@sfzwapp2 /]# kill -9 18822
[root@sfzwapp2 /]# umount -f /app
[root@sfzwapp2 /]# lvremove /dev/vg_sfzwapp2/LogVapp
Do you really want to remove active logical volume LogVapp? [y/n]: y
Logical volume "LogVapp" successfully removed
[root@sfzwapp2 /]# lvextend -L +100G /dev/vg_sfzwapp2/LogVhome
Size of logical volume vg_sfzwapp2/LogVhome changed from 10.00 GiB (2560 extents) to 110.00 GiB (28160 extents).
Logical volume LogVhome successfully resized
[root@sfzwapp2 /]# resize2fs /dev/vg_sfzwapp2/LogVhome
resize2fs 1.41.12 (17-May-2010)
Filesystem at /dev/vg_sfzwapp2/LogVhome is mounted on /home; on-line resizing required
old desc_blocks = 1, new_desc_blocks = 7
Performing an on-line resize of /dev/vg_sfzwapp2/LogVhome to 28835840 (4k) blocks.
The filesystem on /dev/vg_sfzwapp2/LogVhome is now 28835840 blocks long.
[root@sfzwapp2 /]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_sfzwapp2-LogVroot
35G 2.2G 31G 7% /
tmpfs 16G 224K 16G 1% /dev/shm
/dev/sda1 477M 42M 410M 10% /boot
/dev/mapper/vg_sfzwapp2-LogVhome
109G 38M 103G 1% /home
/dev/mapper/vg_sfzwapp2-LogVtmp
9.8G 23M 9.2G 1% /tmp
/dev/mapper/vg_sfzwapp2-LogVusr
9.8G 2.9G 6.5G 31% /usr
/dev/mapper/vg_sfzwapp2-LogVvar
9.8G 145M 9.1G 2% /var