--- node/node.d/hddtemp_smartctl.in.orig	2006-10-17 14:27:35.000000000 +0200
+++ node/node.d/hddtemp_smartctl.in	2007-10-04 09:29:43.931425624 +0200
@@ -109,6 +109,10 @@
     @drives = grep /hd[a-z]/, readdir IDE;
     closedir(IDE);
   }
+} elsif ($^O eq 'freebsd') {
+  opendir(DEV, '/dev');
+  @drives = grep /^ad[0-9]+$/, readdir DEV;
+  closedir(DEV);
 } elsif ($^O eq 'solaris') {
   @drives = map { s@.*/@@ ; $_ } glob '/dev/rdsk/c*t*d*s2';
 }