[torqueusers] ulimit -l
dtripp at hawaii.edu
Tue Mar 27 17:20:08 MDT 2007
Another option for a job launcher is mpiexec, which will work with
torque (PBS variant).
- Donald Tripp
dtripp at hawaii.edu
HPC Systems Administrator
High Performance Computing Center
University of Hawai'i at Hilo
200 W. Kawili Street
Hilo, Hawaii 96720
On Mar 27, 2007, at 1:16 PM, Brock Palen wrote:
> 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
> 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)
>> 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
>> 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
>>> torqueusers mailing list
>>> torqueusers at supercluster.org
>> 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
> torqueusers mailing list
> torqueusers at supercluster.org
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