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SL5 to SL6 migration at CC-IN2P3

27 mai 2013

Dear user,

The CC-IN2P3 will officially switch to Scientific Linux 6 (SL6) as the default platform next October. In order to ease this transition, we’re making available to our users a platform for testing and code validation :

- interactive SL6 platform :
- batch SL6 pre-production platform : 55 nodes with 24 cores

For job submission on either SL5 or SL6 you can use :
- SL5 : ’-l os=sl5’ (default)
- SL6 : ’-l os=sl6’
- both : ’-l os="sl5|sl6"’

25% of the computing farm will be migrated to SL6 during the next stop of the CC on the 11th of June, and 50% during mid-September before the complete suppression of SL5 by the end of November.

In case of any question or problem with this migration, feel free to contact us at

Best regards, CC-IN2P3 User Support

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