[Mauiusers] how i configure torque and maui to submit serial job to diffrent nodes???

[luo yi]

when i submit serial job to the cluster by torque+maui,the job always run 
at the same node untill  all the cpus of that node is used .
for example ,I use "lx" account to submit serial job "dfdf", every nodes 
have two cpus.and now every cpu is free,no job is running.
[lx at console ~]$ qsub -l nodes=1:ppn=1 dfdf
101.console
[lx at console ~]$ qstat -an

console: 
                                                                   Req'd  
Req'd   Elap
Job ID               Username Queue    Jobname    SessID NDS   TSK Memory 
Time  S Time
-------------------- -------- -------- ---------- ------ ----- --- ------ 
----- - -----
101.console          lx       dpool    dfdf         4012     1  --    --    
--  R   -- 
   c1501/0
[lx at console ~]$ qsub -l nodes=1:ppn=1 dfdf
102.console
[lx at console ~]$ qstat -an

console: 
                                                                   Req'd  
Req'd   Elap
Job ID               Username Queue    Jobname    SessID NDS   TSK Memory 
Time  S Time
-------------------- -------- -------- ---------- ------ ----- --- ------ 
----- - -----
101.console          lx       dpool    dfdf         4012     1  --    --    
--  R   -- 
   c1501/0
102.console          lx       dpool    dfdf         4102     1  --    --    
--  R   -- 
   c1501/1
[lx at console ~]$ qsub -l nodes=1:ppn=1 dfdf
103.console
[lx at console ~]$ qstat -an

console: 
                                                                   Req'd  
Req'd   Elap
Job ID               Username Queue    Jobname    SessID NDS   TSK Memory 
Time  S Time
-------------------- -------- -------- ---------- ------ ----- --- ------ 
----- - -----
101.console          lx       dpool    dfdf         4012     1  --    --    
--  R   -- 
   c1501/0
102.console          lx       dpool    dfdf         4012     1  --    --    
--  R   -- 
   c1501/1
103.console          lx       dpool    dfdf         3543     1  --    --    
--  R   -- 
   c1503/0

as you see,the first two jobs are running at the same node.this is not load 
balance.i want the job 102 run at the other node not the node c1501.after 
all the cpus of the node c1501 is used,the job 103 is starting to  run at 
the other node c1503.
i have configured the torque server by using "node_pack=false",but it not 
works.
and i also configure the maui.cfg file ,adding "NODEALLOCATIONPOLICY  
MAXBALANCE
NODEACCESSPOLICY SINGLEUSER",but it still not works.

i am very disappointed,how can i do .

this is my server's configuration.
#
# Create queues and set their attributes.
#
#
# Create and define queue dpool
#
create queue dpool
set queue dpool queue_type = Execution
set queue dpool max_queuable = 50
set queue dpool max_running = 50
set queue dpool resources_default.neednodes = dpool
set queue dpool enabled = True
set queue dpool started = True
#
# Set server attributes.
#
set server scheduling = True
set server acl_host_enable = False
set server managers = root at console
set server operators = root at console
set server default_queue = dpool
set server log_events = 127
set server mail_from = adm
set server scheduler_iteration = 300
set server node_check_rate = 150
set server tcp_timeout = 6
set server node_pack = False
set server torque_version = 2.0.0p8

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