Something

livecd mnt # df -h
Filesystem            Size  Used Avail Use% Mounted on
tmpfs                 1.8G   12M  1.8G   1% /
/dev/hdc              696M  696M     0 100% /mnt/cdrom
/dev/loop0            660M  660M     0 100% /mnt/livecd
udev                  1.8G  304K  1.8G   1% /dev
cachedir              4.0M   76K  4.0M   2% /mnt/livecd/lib64/splash/cache
tmpfs                 1.8G   12M  1.8G   1% /mnt/livecd/lib64/splash/tmp
tmpfs                 660M  660M     0 100% /mnt/livecd/lib64
tmpfs                 1.8G     0  1.8G   0% /mnt/livecd/usr/portage
/dev/md/1              34G  177M   33G   1% /mnt/gentoo
/dev/md/2              26G  173M   25G   1% /mnt/gentoo/home
/dev/md/3             397G  199M  377G   1% /mnt/gentoo/storage