Pro Pioneer - Spin Down working or not ?

For anyone that is having trouble with disks either not spinning down or spinning up prematurely, check your auth.log and post if you see any activity in it. Apparently, a CRON job (at least that is what the log says) is opening and closing a root session every 10-15 minutes, all the time, on my box:
Oct 27 16:53:01 JitterBug CRON[2514]: (pam_unix) session opened for user root by (uid=0)
Oct 27 16:53:02 JitterBug CRON[2514]: (pam_unix) session closed for user root
Oct 27 17:08:01 JitterBug CRON[2744]: (pam_unix) session opened for user root by (uid=0)
Oct 27 17:08:22 JitterBug CRON[2744]: (pam_unix) session closed for user root
Oct 27 17:17:01 JitterBug CRON[2909]: (pam_unix) session opened for user root by (uid=0)
Oct 27 17:17:01 JitterBug CRON[2909]: (pam_unix) session closed for user root
Oct 27 17:23:01 JitterBug CRON[3010]: (pam_unix) session opened for user root by (uid=0)
Oct 27 17:23:02 JitterBug CRON[3010]: (pam_unix) session closed for user root
Oct 27 17:38:01 JitterBug CRON[3229]: (pam_unix) session opened for user root by (uid=0)
Oct 27 17:53:01 JitterBug CRON[3457]: (pam_unix) session opened for user root by (uid=0)
Oct 27 17:53:01 JitterBug CRON[3457]: (pam_unix) session closed for user root
Oct 27 18:08:01 JitterBug CRON[3686]: (pam_unix) session opened for user root by (uid=0)
Oct 27 18:08:01 JitterBug CRON[3686]: (pam_unix) session closed for user root
Oct 27 18:08:02 JitterBug CRON[3229]: (pam_unix) session closed for user root
Oct 27 18:17:01 JitterBug CRON[3820]: (pam_unix) session opened for user root by (uid=0)
Oct 27 18:17:01 JitterBug CRON[3820]: (pam_unix) session closed for user root
Oct 27 18:23:01 JitterBug CRON[3907]: (pam_unix) session opened for user root by (uid=0)
Oct 27 18:23:03 JitterBug CRON[3907]: (pam_unix) session closed for user root
Oct 27 18:38:01 JitterBug CRON[4128]: (pam_unix) session opened for user root by (uid=0)
Oct 27 18:38:45 JitterBug CRON[4128]: (pam_unix) session closed for user root
Oct 27 18:53:01 JitterBug CRON[4328]: (pam_unix) session opened for user root by (uid=0)
Oct 27 18:53:02 JitterBug CRON[4328]: (pam_unix) session closed for user root
Oct 27 19:08:01 JitterBug CRON[4542]: (pam_unix) session opened for user root by (uid=0)
Oct 27 19:08:03 JitterBug CRON[4542]: (pam_unix) session closed for user root
Oct 27 19:17:01 JitterBug CRON[4670]: (pam_unix) session opened for user root by (uid=0)
Oct 27 19:17:01 JitterBug CRON[4670]: (pam_unix) session closed for user root
Oct 27 19:23:01 JitterBug CRON[4751]: (pam_unix) session opened for user root by (uid=0)
Oct 27 19:23:23 JitterBug CRON[4751]: (pam_unix) session closed for user root
Oct 27 19:38:01 JitterBug CRON[4963]: (pam_unix) session opened for user root by (uid=0)
Oct 27 19:38:03 JitterBug CRON[4963]: (pam_unix) session closed for user root
Oct 27 19:53:01 JitterBug CRON[5177]: (pam_unix) session opened for user root by (uid=0)
Oct 27 19:53:02 JitterBug CRON[5177]: (pam_unix) session closed for user root
Oct 27 20:00:01 JitterBug CRON[5279]: (pam_unix) session opened for user root by (uid=0)
Oct 27 20:00:01 JitterBug CRON[5279]: (pam_unix) session closed for user root
Oct 27 20:08:01 JitterBug CRON[5388]: (pam_unix) session opened for user root by (uid=0)
Oct 27 20:08:03 JitterBug CRON[5388]: (pam_unix) session closed for user root
Oct 27 20:17:01 JitterBug CRON[5514]: (pam_unix) session opened for user root by (uid=0)
Oct 27 20:17:01 JitterBug CRON[5514]: (pam_unix) session closed for user root
Oct 27 20:23:01 JitterBug CRON[5595]: (pam_unix) session opened for user root by (uid=0)
Oct 27 20:23:02 JitterBug CRON[5595]: (pam_unix) session closed for user root
Oct 27 20:38:01 JitterBug CRON[5823]: (pam_unix) session opened for user root by (uid=0)
Oct 27 20:38:03 JitterBug CRON[5823]: (pam_unix) session closed for user root

-Robert