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# Add new lvm
mkdir /sidespace
lvcreate -n sidespace -L 200G vg_latam
mkfs.ext4 /dev/vg_latam/sidespace
# /etc/fstab
/dev/mapper/vg_latam-sidespace                 /sidespace        ext4    defaults,_netdev,nofail    0  0

# ADD 5 GB
lvextend -L+5G /dev/vg_foo/lv_bar

# ALL ALL AVAILABLE ON VG
lvextend -l +100%FREE /dev/volgroup/logvol

#Use this for ext3/4 based file systems
resize2fs /dev/centos/var

#Alternatively, use this for xfs based file systems
xfs_growfs /dev/centos/var