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INFN-CNAF Tier-1 user guide
Summary

  1. CNAF

  2. Tier-1

  3. Bastion & user interfaces

    1. x2go

  4. Farming

  5. Storage

  6. The HPC cluster

    1. Account Request

      1. Access

    2. SLURM architecture

      1. Check the cluster status with SLURM

    3. The structure of a basic batch job

      1. Submit basic instructions on Slurm with srun

      2. #SBATCH options

      3. Advanced batch job configuration

      4. Retrieve job information

    4. Examples

      1. Simple batch submit

      2. Simple MPI submit

    5. Additional information

  7. Cloud @ CNAF
  8. Digital Personal Certificates and Proxies management
    1. Manual proxy extension
  9. Job submission
    1. HTCondor jobs
      1. Submit local jobs
      2. Submit Grid jobs
      3. Experiment share usage
    2. Examples
      1. CPUs, GPUs and RAM requests

      2. Jobs with ROOT-program as executable

    3. Singularity in batch jobs
      1. Obtain images
      2. Create a new image using a recipe (expert users)
      3. Run software
  10. Data Transfers
    1. Data transfers without SRM
    2. Data transfers with SRM 
      1. Gfal utils
      2. ClientSRM utils
    3. XrootD (extended ROOT deamon)
    4. Data transfers using http endpoints
      1. Proxies
      2. Tokens
        1. Data transfers inside a job
    5. Tape
      1. Check if the file is on the disk (using local POSIX commands)
      2. Check if the file is on the disk (with Grid tools using VO based authentication)
      3. Migrate files on tape
      4. Recall files from tape (using Grid tools with VO-based authentication)
      5. Recall files from tape (without Grid tools)
  11. Monitoring
    1. Monitoring with Grafana
  12. Helpful information and tips
    1. How to use Python libraries in a conda virtual environment
      1. On a user interface
      2. In a HTCondor job
    2. Other tips
  13. Support
  14. Problem report
  15. Appendix A - Submit Description File Commands
  16. Appendix B - Helpful links
  17. Bibliography



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