[torqueusers] ulimit -l

Brock Palen brockp at umich.edu
Tue Mar 27 17:16:12 MDT 2007


Most  our MPI libs use the tm job launcher.  Does sessions spawned by  
tm use the login service?

Brock Palen
Center for Advanced Computing
brockp at umich.edu
(734)936-1985


On Mar 27, 2007, at 4:54 PM, Brian D. Haymore wrote:

> You will need to do a couple things still.
>
> First is to go to your /etc/pam.d directory and edit one or more of  
> the following files (this is based on RedHat EL4 btw so a different  
> dist may be different):
>
> rsh (if your using rsh for your remote job dispatch mechanism)
> sshd (if your using ssh for your remote job dispatch mechanism)
> login
>
> and add in this line into each of those files:
>
> session    required     pam_limits.so
>
> Some of those files on my RedHat system said certain rules already  
> in the file had to be first or last so take note of that if they  
> are there for you as well.
>
>
> Then the next thing is you have to restart the torque daemons on  
> each system.  The reason for this is if they were started before  
> you made these changes they hold the old limits and all processes  
> they spawn will inherit those limits.  So restarting will get  
> Torque going with the "unlimited" mode so child processes inherit  
> that.
>
>
> Brock Palen wrote:
>> Hello,  We are making our first trip into the world of OpenIB and  
>> in this environment they require us to up the lockable memory.   
>> While we have upped the amount in  /etc/security/limits.conf and  
>> shows up if i ssh to a node.  But in a pbs job it falls back to  
>> the default 32kb.  Is there a method to getting around this?
>> Brock Palen
>> Center for Advanced Computing
>> brockp at umich.edu
>> (734)936-1985
>> _______________________________________________
>> torqueusers mailing list
>> torqueusers at supercluster.org
>> http://www.supercluster.org/mailman/listinfo/torqueusers
>
> -- 
> Brian D. Haymore
> University of Utah
> Center for High Performance Computing
> 155 South 1452 East RM 405
> Salt Lake City, Ut 84112-0190
> Phone: (801) 558-1150, Fax: (801) 585-5366
> http://www.map.utah.edu/umaplink/0019.html
>
>



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