Finally, I got extra disk space @ home! 😉
diabolo# df -k | grep wd1
/dev/wd1a 60469890 2 57446394 0% /d0
/dev/wd1d 60469922 2 57446424 0% /d1
/dev/wd1e 60469922 2 57446424 0% /d2
/dev/wd1f 59831610 2 56840028 0% /d3