[GE users] question about queues and limitations to specific nodes

jnorris jnorris at ucmerced.edu
Thu May 13 19:02:22 BST 2010


Did we get any further in looking into this?  Thanks for the help.


jnorris wrote:
> Thanks to all for your comments and help - attached are the two queues
>
> gragghia wrote:
>   
>> To only allow certain users use of the IB machines, I would make them a 
>> cluster queue and then only set the "allow" list.  Explicitly added the 
>> "deny" list is not needed.
>>
>> How is the file /opt/mpdd_tmp/hydra.hosts being created?  If it is 
>> dynamic, you should cat the contents of this file out to ensure that it 
>> contains the correct hosts.  You may also want to execute "qstat -g t" 
>> within the batch script to show what SGE thinks it is allocating to you.
>>
>> If you provide the output for "qconf -sq ib.q" and "qconf -sq 
>> ethernet.q" it will help a lot in determining the source of the problem.
>>
>> - Gerald
>>
>>
>> On 5/12/2010 4:28 PM, jnorris wrote:
>>   
>>     
>>> Hello to all,
>>>
>>> Here is the situation:
>>>
>>> I have 66 nodes total in my cluster - I need to allow select users to
>>> access the first 8 nodes and all users access the remaining nodes.
>>>
>>> The first 8 nodes I put into a queue ib.q and the rest in ethernet.q  I
>>> set the exclude user list on IB to all of the user lists of those that
>>> should not be allowed and the user list to the users that are allowed.
>>> With ethernet.q  I have all user list in users and NONE for exclude users.
>>>
>>> Then I did some testing with a simple hello script that keeps track of
>>> what node its running on and prints the message:
>>>
>>> Hello from process 0 on c1
>>> Hello from process 1 on c2
>>> Hello from process 2 on c3
>>> Hello from process 3 on c4
>>> Hello from process 4 on c5
>>> Hello from process 5 on c6
>>> Hello from process 6 on c7
>>> Hello from process 7 on c8
>>>
>>>
>>> I set the #$ -q ethernet.q  in the script and set the run as:
>>>
>>> mpiexec.hydra  -f /opt/mpdd_tmp/hydra.hosts  -n 10 ./hello
>>>
>>> The out put above is what I obtain.  Ok here are my questions:
>>>
>>> 1)  is this the best way to do this? - I am real newbie to sge
>>> 2)  by the scenario above and considering that c1-c8 are the nodes that
>>> should not be in this output - what am I doing wrong?
>>>
>>> Thank beforehand for any and all help.
>>>
>>>
>>>
>>>    
>>>     
>>>       
>>   
>>     
>
>   

-- 
Joseph Norris   
Applications Developer/Server Admin
209-228-4576

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