Difference: ClusterJobs (24 vs. 25)

Revision 252007-11-16 - MattPost

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How to Use the Cluster Manager

Torque is a system for reserving nodes and running jobs on a cluster.

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The torque software is installed on node33 through node66.
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The torque software is installed on node33 through node72.
 This is a quick guide to getting started; for complete information try:
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  man pbsnodes - pbsnodes -a gives the current status of all nodes
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These commands are in /usr/bin on nodes 33 through 66.
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These commands are in /usr/bin on nodes 33 through 72.
 Jobs should be launched from node64.

Node Usage Policy

The node usage policy can be summarized in two rules:

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  • Any job using nodes 33 through 66 must be scheduled with qsub from node64. This is so as not to disrupt time-sensitive programs running on other nodes. Because nodes 32 and below are not mediated by torque, you are free to login directly to those machines to start your programs.
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  • Any job using nodes 33 through 72 must be scheduled with qsub from node64. This is so as not to disrupt time-sensitive programs running on other nodes. Because nodes 32 and below are not mediated by torque, you are free to login directly to those machines to start your programs.
 
  • Limit your cluster usage at any given time to 32 processors [roughly a quarter of the processing power].
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All the nodes (0 through 66) are dual-processor machines, but nodes 33 and above are newer and a bit faster.
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All the nodes (0 through 72) are dual-processor machines, but nodes 33 and above are newer and a bit faster.
 

To Use a Node Interactively

 
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