Pierre

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== Access ==
 
== Access ==
  
* Linux and Mac OS users can login within the DiSC internet connection using a terminal with the command:
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The Pierre cluster is being migrated to the new system. Access information will be updated as soon as the migration is complete.
 
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ssh account@192.168.9.85
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:or from outside the Department using
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ssh -p 50004 account@147.162.63.10
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:where "account" is the user's account.
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* Windows users can use an interface program to the ssh service, e.g. [http://www.putty.org/ Putty].
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== Queues ==
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The queue manager is [[PBS]] and the following queues are available:
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* '''pierre''': max nodes 1, max cores 12, max walltime 336:00:00 (2 weeks)
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* '''x8755m3''': max nodes 1, max cores 32, max walltime 1500:00:00 (ca. 2 months)
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== Example PBS file ==
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A typical [[PBS]] input file script will be as follow (see the [[Support]] page for more help):
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<nowiki>#</nowiki>!/bin/sh --login
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<nowiki>#</nowiki>PBS -N ''jobname''
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<nowiki>#</nowiki>PBS -A ''account''
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<nowiki>#</nowiki>PBS -q ''queue''
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<nowiki>#</nowiki>PBS -l nodes=''n''
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<nowiki>#</nowiki>PBS -w ''time in hh:mm:ss format''
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''commands to execute''
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where the parts in ''italic'' should be changed as appropriate.
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Latest revision as of 14:37, 7 August 2021

Description

Pierre is a small cluster made of 2 nodes only, but both hosting a large number of cores and large amount of RAM memory. In particular, it is equipped with the following hardware/software:

  • 1 node with 2 x CPU Intel Xeon L5640 2.27 GHz (12 cores), 48 GB of RAM, 2 x 140 GB HD SAS (connected in Raid 1), 2 x 1 TB HD SATA (connected in Raid 1), OS Red Hat Enterprise Linux release 5.5.
  • 1 node with 4 x CPU AMD Opteron 6282 SE (32 cores), 256 GB of RAM, 5 x 600 GB HD SAS (connected in Raid 5 + spare disk), Infiniband, OS Red Hat Enterprise Linux release 5.5.

for a total of 2 nodes, 64 cores.


Access

The Pierre cluster is being migrated to the new system. Access information will be updated as soon as the migration is complete.

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