Using Irene Rome - Revision history

Abierjon at 10:19, 19 July 2023

2023-07-19T10:19:31Z

2023-05-24T15:53:10Z

‎Main submission commands

2023-05-24T15:43:05Z

‎Example of a job to run a GCM simulation

2023-03-31T07:04:09Z

‎Some useful commands

2023-03-31T07:03:06Z

‎Some useful commands

2023-01-27T10:47:16Z

2023-01-26T17:29:29Z

2023-01-26T10:16:49Z

‎Some useful commands

2022-12-05T07:40:55Z

‎Some useful commands

2022-11-25T16:38:57Z

← Older revision		Revision as of 10:19, 19 July 2023
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	</syntaxhighlight>		</syntaxhighlight>

		+
		+	== Are you being disconnected when inactive? ==
		+	If you are regularly being disconnected when a bit inactive on the supercomputer, adding these few lines in a ''config'' file in the .ssh/ repository of your logging machine (ex: ssh-out/ciclad) may help :
		+	<syntaxhighlight lang="bash">
		+	Host *
		+	...
		+	KeepAlive yes
		+	TCPKeepAlive yes
		+	ServerAliveInterval 15
		+	</syntaxhighlight>

	[[Category:FAQ]]		[[Category:FAQ]]

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 ccc_myproject
 </syntaxhighlight>
-* To display infos about limits:
+* To display infos about limits (quality-of-service QoS):
 <syntaxhighlight lang="bash">
 ccc_mqinfo

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 # main launch
 ccc_mprun -l wrf.exe
 </syntaxhighlight>

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 which should return information about upcoming purge on your scratch space. Note that the database this command queries is only refreshed on a nightly basis, so it will incorrectly reflect changes you just made this very day.
-One nice idea is to put this command in your .bashrc, so that it runs everytime you connect to Irene (you can add the -s option to avoid having long list of files displaying on your screen). If you do so, you have to encapsulate it in a conditional test to check if you're in interactive mode, otherwise it will prevent any rsync/scp between Irene and other machines (which are not in interactive and will thus block on the ccc_will_purge command) :
+One nice idea is to put this command in your .bashrc, so that it runs everytime you connect to Irene (you can add the ''-s'' option to avoid having long list of files displaying on your screen). If you do so, you have to encapsulate it in a conditional test to check if you're in interactive mode, otherwise it will prevent any rsync/scp between Irene and other machines (which are not in interactive and will thus block on the ccc_will_purge command) :
 <syntaxhighlight lang="bash">
 if [ -n "${PS1:-}" ]; then

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 </syntaxhighlight>
 which should return information about upcoming purge on your scratch space. Note that the database this command queries is only refreshed on a nightly basis, so it will incorrectly reflect changes you just made this very day.
 And a nice command (copyleft Antoine Martinez and Olivier from LATMOS) to update all the "Access" and "Change" stats of the files in your current directory (and sub-directories), without changing the "Modify" stat (so that you can still sort them by date of modification with 'ls -lt') :
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 find . -type f -exec touch -a {} \;
 </syntaxhighlight>
 * To access Irene Interactive Documentation:

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 == Worth knowing about ==
 * The command wget is disabled on Irene, scripts using it will fail...
-* Only "https" is allowed (for svn co, git, etc)
+* Only "https" is allowed. This is important for instance when downloading code (via svn, git). Moreover for svn checkouts one has to provide their svn username and password.
 *If you encounter a quota issue on Irene, first check if indeed you (or the group's) quota is exceeded:

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 * Directories that have been empty for more than 30 days are removed
 </pre>
 * To access Irene Interactive Documentation:

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 - Responsable scientifique du projet: M. Ehouarn MILLOUR , ehouarn.millour@lmd.ipsl.fr, 0144275286, Nationalité: Fr
-- Responsable sécurité: M. Franck Guyon, franck.guyon@lmd.ipsl.fr, 0144275277, Nationalité: Fr
+- Responsable sécurité: M. Franck Guyon, franck.guyon@lmd.ipsl.fr, 0144275277, Nationalité: Fr. Note that this is assuming you have an account on LMD computers and/or the MESOIPSL cluster. Otherwise you must provide the information for the relevant person from your lab.
-- IPs & machine names to connect to Irene: 134.157.47.46 (ssh-out.lmd.jussieu.fr) and 134.157.176.129 (ciclad.ipsl.upmc.fr)
+- IPs & machine names to connect to Irene: 134.157.47.46 (ssh-out.lmd.jussieu.fr) and 134.157.176.129 (ciclad.ipsl.upmc.fr). Note that this is assuming you have an account on LMD computers and/or the MESOIPSL cluster. Otherwise you must provide name & IP of your institute's gateway machine.
 - Chose anything you want for the 8 character password