HTCondorWiki: How To Configure Backfill

 num_slots_type_1 = 1
 slot_type_1_BackfillSlot = False
 slot_type_1_start = $(START) && (Owner != "$(BOINC_owner)")
+# don't run workfetch on slot_type_1
+slot_type_1_STARTD_JOB_HOOK_KEYWORD =
 
 #
 # Set up a set of static slots for backfill jobs.  The number of static slots
@@ -155,6 +157,10 @@
 slot_type_2_start = (Owner == "$(BOINC_owner)") && ($(Backfill_Resources_Exhausted) == False)
 slot_type_2_preempt = $(Backfill_Resources_Exhausted)
 slot_type_2_want_vacate = False
+
+# check once a minute for BOINC jobs when none are running
+slot_type_2_FetchWorkDelay = 60
+
 {endcode}
 
 {section: How to submit backfill jobs as a user}