Make your own Terabyte File Server

[Warren Togami]

      Filesystem Size Used Avail Use% Mounted on 
      /dev/md1 949Mb 77Mb 872Mb 9% / 
      /dev/md0 53Mb 3.9Mb 46Mb 8% /boot 
      /dev/big/var 512M 81M 431M 16% /var   
      /dev/big/usr 512M 257M 255M 51% /usr 
      /dev/big/bigtest 1.0T 33M 1023G 1% /mnt/bigtest 
      /dev/big/smalltest 274G 33M 273G 1% /mnt/smalltest 


http://www.linux.ie/articles/terraserver/

Very detailed article with descriptions and pictures.