After installing the Maui scheduler, I made a couple of changes to the queue. Here are the current settings:

Qmgr: p s
#
# Create queues and set their attributes.
#
#
# Create and define queue cdf1
#
create queue cdf1
set queue cdf1 queue_type = Execution
set queue cdf1 from_route_only = True
set queue cdf1 resources_max.cput = 240:00:00
set queue cdf1 resources_min.cput = 00:00:01
set queue cdf1 enabled = True
set queue cdf1 started = True
#
# Create and define queue cdf
#
create queue cdf
set queue cdf queue_type = Route
set queue cdf route_destinations = cdf1
set queue cdf route_held_jobs = True
set queue cdf route_waiting_jobs = True
set queue cdf enabled = True
set queue cdf started = True
#
# Set server attributes.
#
set server scheduling = True
set server acl_host_enable = True
set server acl_hosts = *.uchicago.edu
set server default_queue = cdf
set server log_events = 511
set server mail_from = adm
set server query_other_jobs = True
set server resources_default.nodect = 1
set server resources_default.nodes = 1
set server resources_default.walltime = 24:00:00
set server scheduler_iteration = 300
set server node_check_rate = 120
set server tcp_timeout = 6
set server pbs_version = 2.1.1