LVM (cortitos)

#pvcreate /dev/mapper/mp_u00p1
#vgcreate vg_u00 /dev/mapper/mp_u00p1
#lvcreate -n lv_u00 -l 100%FREE vg_u00
#mkdir /u00
#mkfs.ext4 /dev/vg_u00/lv_u00
#tune2fs -c -1 /dev/vg_u00/lv_u00

RESIZE FS  
#RHEL 5 y 6
#lvresize -L +8G /dev/<volumegroup>/<logicalvolume>
#resize2fs -p /dev/<volumegroup>/<logicalvolume>10G

#RHEL4
#ext2online /dev/<volumegroup>/<logicalvolume>