[Mauiusers] Requesting a given number of processors
Jan.Ploski at offis.de
Sat Sep 29 06:33:04 MDT 2007
Thomas HAMEL wrote:
> Le vendredi 28 septembre 2007 à 15:40 +0200, Jan Ploski a écrit :
>> mauiusers-bounces at supercluster.org schrieb am 09/28/2007 03:08:27 PM:
>>> On Fri, 28 Sep 2007, Jan Ploski wrote:
>>>> Is there a way to tell Maui "I want 100 processors" without telling
>>>> it "I want 25 nodes with 4 processors each"?
>>> In qmgr you have to do:
>>> set server resources_available.nodect = 100
>>> It's a kludge to make nodes be valid up to that number, and then Maui
>>> can use that as the number of CPU's that you want.
>> I did change it as you describe (and restarted maui, pbs_server just for
>> Qmgr: list server @srvgrid01
>> Server srvgrid01.offis.uni-oldenburg.de
>> server_state = Active
>> scheduling = True
>> total_jobs = 148
>> state_count = Transit:0 Queued:64 Held:0 Waiting:0 Running:84
>> managers = xxx
>> operators = xxx
>> default_queue = dgiseq
>> log_events = 511
>> mail_from = adm
>> resources_available.nodect = 188
>> resources_assigned.ncpus = 0
>> resources_assigned.nodect = 94
>> scheduler_iteration = 600
>> node_check_rate = 150
>> tcp_timeout = 6
>> pbs_version = 2.1.6
>> However, it still doesn't allocate correctly.
> The nodect parameter must be set in both queue and server.
> For your information, this is in the torque FAQ :
Thanks! I think this settles my issue. The nodect parameter was indeed
not set on the queue. TORQUE documentation does not mention what default
is used in this case (says N/A).
With your recommended settings, I was able to get 100 processors with
qsub -l nodes=100.
More information about the mauiusers