diff --git a/Netdisco/lib/App/Netdisco/Daemon/Worker/Poller.pm b/Netdisco/lib/App/Netdisco/Daemon/Worker/Poller.pm
index 3ca0c592..f40b1f9e 100644
--- a/Netdisco/lib/App/Netdisco/Daemon/Worker/Poller.pm
+++ b/Netdisco/lib/App/Netdisco/Daemon/Worker/Poller.pm
@@ -8,7 +8,7 @@ use Role::Tiny;
 use namespace::clean;
 
 # add dispatch methods for poller tasks
-with 'App::Netdisco::Daemon::Worker::Poller::Discover';
+# with 'App::Netdisco::Daemon::Worker::Poller::Discover';
 
 sub worker_body {
   my $self = shift;
diff --git a/Netdisco/lib/App/Netdisco/Daemon/Worker/Scheduler.pm b/Netdisco/lib/App/Netdisco/Daemon/Worker/Scheduler.pm
index cf08b6ad..5cc05923 100644
--- a/Netdisco/lib/App/Netdisco/Daemon/Worker/Scheduler.pm
+++ b/Netdisco/lib/App/Netdisco/Daemon/Worker/Scheduler.pm
@@ -31,10 +31,10 @@ sub worker_begin {
       my $config = setting('housekeeping')->{$a};
 
       # accept either single crontab format, or individual time fields
-      my $cron = Algorithm::Cron->new(@{
-        ref [] eq ref $config->{when}
+      my $cron = Algorithm::Cron->new(%{
+        ref {} eq ref $config->{when}
           ? $config->{when}
-          : [crontab => $config->{when}];
+          : {crontab => $config->{when}}
       });
 
       $jobactions->{$a} = $config;
@@ -71,7 +71,7 @@ sub worker_body {
               schema('netdisco')->resultset('Admin')->create({
                 action => $a,
                 device => ($sched->{device} || undef),
-                subaction => ($sched->{extra} || undef),
+                subaction => ($sched->{param} || undef),
                 status => 'queued',
               });
           };
diff --git a/Netdisco/share/config.yml b/Netdisco/share/config.yml
index 657978b4..de7fb0ca 100644
--- a/Netdisco/share/config.yml
+++ b/Netdisco/share/config.yml
@@ -70,8 +70,32 @@ portctl_vlans: 1
 # sleep time between polls of the database job queue
 daemon_sleep_time: 5
 
-# how many daemon processes
-# NB one worker will always be a Queue Manager
+# how many daemon processes for this node
 daemon_interactives: 2
-daemon_pollers: 0
+daemon_pollers: 2
 
+# what housekeeping tasks should this node *schedule*
+# (it only does them if daemon_pollers is non-zero)
+#housekeeping:
+#  discoverall:
+#    device: '192.0.2.0'
+#    when:
+#      wday: 'wed'
+#      hour: 14
+#  backup:
+#    when:
+#      hour: 1
+#  refresh:
+#    when: '0 9 * * *'
+#  arpwalk:
+#    when:
+#      min: 30
+#  macwalk:
+#    when:
+#      hour: '*/2'
+#  nbtwalk:
+#    when:
+#      hour: '8,13,21'
+#  saveconfigs:
+#    param: 61
+#    when: '0 * * * *'