Vous pouvez vous connecter en SSH et taper la commande df -h :

> df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/xvda1             11G  8.2G  2.2G  79% /
/dev                  505M   96K  505M   1% /dev
none                  505M  4.0K  505M   1% /dev/shm
none                  505M  384K  504M   1% /var/run
none                  505M     0  505M   0% /var/lock
none                  505M     0  505M   0% /lib/init/rw
tmpfs                  24K   12K   12K  50% /var/gandi
/dev/xvde              11G  4.1G  6.3G  39% /srv/BACKUP
/dev/xvdd              11G  4.5G  5.9G  44% /srv/DATA