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​The new FMRIB cluster uses the SLURM cluster software and the fsl_sub module now uses the SLURM cluster.

​​​​SLURM is significantly different from Grid Engine, in particular, there are no RAM limits for jobs. We STRONGLY recommend that you specify RAM (with fsl_sub's -R option) to ensure efficient use of the cluster, without it, all jobs will will default to requesting 15GB of RAM. This also means that the -S/--noramsplit option is meaningless.

fsl_sub's native options remain the same, but of note, SLURM does not support parallel environments, so when requesting multi-thread jobs slots you can use -s <number>. If you provide a parallel environment name this will be discarded, so existing scripts should continue to work as is.

Interactive tasks should be run via the new Open OnDemand virtual desktop facility.