Mine

Transaction Summary
=============================================================================
Install      9 Package(s)         
Update     199 Package(s)         
Remove       0 Package(s)         
Total download size: 336 M
Is this ok [y/N]: y
Downloading Packages:
Running Transaction Test
Finished Transaction Test


Transaction Check Error:   installing package wireshark-0.99.4-EL4.1 needs 11MB on the /usr filesystem
  installing package rpm-devel-4.3.3-18_nonptl needs 14MB on the /usr filesystem
  installing package dapl-1.2.0-1 needs 14MB on the /usr filesystem
  installing package device-mapper-1.02.07-4.0.RHEL4 needs 14MB on the /usr filesystem
  installing package mailx-8.1.1-36.EL4 needs 14MB on the /usr filesystem
  installing package pciutils-devel-2.1.99.test8-3.2 needs 14MB on the /usr filesystem
  installing package initscripts-7.93.25.EL-1.centos4 needs 17MB on the /usr filesystem
  installing package popt-1.9.1-18_nonptl needs 16MB on the /usr filesystem
  installing package samba-client-3.0.10-1.4E.11 needs 16MB on the /usr filesystem
  installing package libgcj-devel-3.4.6-3.1 needs 18MB on the /usr filesystem
  installing package make-3.80-6.EL4 needs 17MB on the /usr filesystem
  installing package rhn-applet-2.1.25-22.centos4 needs 18MB on the /usr filesystem
  installing package xorg-x11-deprecated-libs-6.8.2-1.EL.13.37.5 needs 18MB on the /usr filesystem
  installing package cvs-1.11.17-9.RHEL4 needs 20MB on the /usr filesystem
  installing package gzip-1.3.3-16.rhel4 needs 20MB on the /usr filesystem
  installing package krb5-workstation-1.3.4-33 needs 20MB on the /usr filesystem
  installing package sysreport-1.3.15-8 needs 20MB on the /usr filesystem
  installing package parted-1.6.19-4.EL needs 21MB on the /usr filesystem

[root@printserverV2 ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda2             487M  215M  247M  47% /
/dev/sda1              99M   12M   83M  12% /boot
none                  125M     0  125M   0% /dev/shm
/dev/sda6             487M   11M  451M   3% /home
/dev/sda7             289M   11M  264M   4% /tmp
/dev/sda9             2.3G  1.8G  508M  82% /usr
/dev/sda8             190M   17M  164M  10% /usr/local
/dev/sdb1             2.0G  846M 1017M  46% /var