umount /AUX

lvm lvresize --size 32G /dev/mapper/vg0-aux

e2fsck -f /dev/mapper/vg0-aux

e2fsck 1.39 (29-May-2006)

  Pass 1: Checking inodes, blocks, and sizes
  Pass 2: Checking directory structure
  Pass 3: Checking directory connectivity
  Pass 4: Checking reference counts
  Pass 5: Checking group summary information

resize2fs /dev/mapper/vg0-aux

  resize2fs 1.39 (29-May-2006)
  Resizing the filesystem on /dev/mapper/vg0-aux to 8388608 (4k) blocks.
  The filesystem on /dev/mapper/vg0-aux is now 8388608 blocks long.

mount /AUX