#df -h / <-- após o "#" as letras representam os comandos que devem ser utilizados. 
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_static2062266459-lv_root
50G 47G 150M 100% /

# df -h /home
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_static2062266459-lv_home
56G 154M 53G 1% /home
# cd /var/yum/cache
# rm -rf *
# df -h /
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_static2062266459-lv_root
50G 47G 176M 100% /
# cd /var/log
# gzip *-2016*
#df -h /
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_static2062266459-lv_root
50G 47G 284M 100% /
# rsync -av /home/ /home2
sending incremental file list
created directory /home2
./
kvm/
lost+found/
solusvm/
solusvm/kvm/
solusvm/kvm/iso -> /home/solusvm/xen/iso
solusvm/kvm/template/
solusvm/xen/
solusvm/xen/hvmtemplate/
solusvm/xen/iso/
solusvm/xen/template/
solusvm/xen/template/centos-5.3-x86.tar.gz

sent 106864737 bytes received 73 bytes 42745924.00 bytes/sec
total size is 106851324 speedup is 1.00
# ls -lash /|grep home
4.0K drwxr-xr-x. 5 root root 4.0K Aug 20 06:30 home
4.0K drwxr-xr-x 5 root root 4.0K Aug 20 06:30 home2
# umount /home
# nano -w /etc/fstab
# lvremove /dev/vg_static2062266459/lv_home
Do you really want to remove active logical volume lv_home? [y/n]: y
Logical volume "lv_home" successfully removed

# vgdisplay    <--- para mostrar o tamanho do espaço

# lvextend -L+56.95G /dev/mapper/vg_static2062266459-lv_root
Rounding size to boundary between physical extents: 56.95 GiB
Size of logical volume vg_static2062266459/lv_root changed from 50.00 GiB (12800 extents) to 106.95 GiB (27380 extents).
Logical volume lv_root successfully resized
# resize2fs /dev/mapper/vg_static2062266459-lv_root
resize2fs 1.41.12 (17-May-2010)
Filesystem at /dev/mapper/vg_static2062266459-lv_root is mounted on /; on-line resizing required
old desc_blocks = 4, new_desc_blocks = 7
Performing an on-line resize of /dev/mapper/vg_static2062266459-lv_root to 28037120 (4k) blocks.
The filesystem on /dev/mapper/vg_static2062266459-lv_root is now 28037120 blocks long.
# df -h /
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_static2062266459-lv_root
106G 47G 54G 47% /
# gunzip /var/log/*-2016*