Difference: BatchSystem (3 vs. 4)

Revision 42010-07-21 - AndrewPickford

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Batch System

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PPEPBS

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The PPE group has a small batch system that is managed via the TORQUE Resource Manager (based on OpenPBS) and the Maui scheduler. Each of the nodes within this batch system has 64 bit SL 4.4 installed. Currently the LINUX desktops are a mixture of SL4x and SL5x. To run on the batch system executables should therefore be built on an 64 bit SL4x PPE LINUX desktop or ppelx64sl4 (see LoginServices). To check the version scientific linux installed:
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The PPE group has a small batch system that is managed via the TORQUE Resource Manager (based on OpenPBS) and the Maui scheduler. The batch nodes are installed with mixture of 64 bit SL4 and SL5. Eight queues are available spilt into two groups: four queues for SL4 jobs and four queues for SL5 jobs (see the queues section below). Executables should be built on one of the PPE Linux desktops machines of the required flavour. The version of scientific linux install on a machine can be checked by examining the /etc/redhat-release file:
 
cat /etc/redhat-release

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Queues

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There are currently three queues on ppepbs:
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There are currently eight queues on ppepbs. The four queues ending in '4' will run jobs on SL4 machines and the four queues ending in '5' will run jobs on SL5 machines:
 
Queue            Memory CPU Time Walltime Node  Run Que Lm  State
---------------- ------ -------- -------- ----  --- --- --  -----

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short -- -- 01:00:00 -- 0 0 -- E R medium -- -- 06:00:00 -- 0 0 -- E R long -- -- 24:00:00 -- 0 0 -- E R vlong -- -- 120:00:0 -- 0 0 -- E R
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short4 -- -- 01:00:00 -- 0 0 -- E R medium4 -- -- 06:00:00 -- 0 0 -- E R long4 -- -- 24:00:00 -- 0 0 -- E R vlong4 -- -- 120:00:0 -- 0 0 -- E R short5 -- -- 01:00:00 -- 0 0 -- E R medium5 -- -- 06:00:00 -- 0 0 -- E R long5 -- -- 24:00:00 -- 0 0 -- E R vlong5 -- -- 120:00:0 -- 0 0 -- E R
 
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where short is the default queue and Walltime is the maximum walltime allowed on each queue. While it is possible to view your own jobs with qstat, the command will not display all jobs. To display all jobs use the Maui client command showq
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where short5 is the default queue and Walltime is the maximum walltime allowed on each queue. While it is possible to view your own jobs with qstat, the command will not display all jobs. To display all jobs use the Maui client command showq
 

-- AndrewPickford - 12 Jan 2009 \ No newline at end of file

 
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