INFN-CNAF Tier-1 user guide
Summary
CNAF
Tier-1
Bastion & user interfaces
x2go
Farming
Storage
The HPC cluster
Account Request
- Access
SLURM architecture
Check the cluster status with SLURM
The structure of a basic batch job
Submit basic instructions on Slurm with srun
- #SBATCH options
Advanced batch job configuration
Retrieve job information
Examples
Simple batch submit
Simple MPI submit
Additional information
- Cloud @ CNAF
- Digital Personal Certificates and Proxies management
- Manual proxy extension
- Job submission
- HTCondor jobs
- Submit local jobs
- Submit Grid jobs
- Experiment share usage
- Examples
- CPUs, GPUs and RAM requests
Jobs with ROOT-program as executable
- Singularity in batch jobs
- Obtain images
- Create a new image using a recipe (expert users)
- Run software
- Data Transfers
- Data transfers without SRM
- Data transfers with SRM
- Gfal utils
- ClientSRM utils
- XrootD (extended ROOT deamon)
- Data transfers using http endpoints
- Proxies
- Tokens
- Data transfers inside a job
- Tape
- Check if the file is on the disk (using local POSIX commands)
- Check if the file is on the disk (with Grid tools using VO based authentication)
- Migrate files on tape
- Recall files from tape (using Grid tools with VO-based authentication)
- Recall files from tape (without Grid tools)
- Monitoring
- Monitoring with Grafana
- Helpful information and tips
- How to use Python libraries in a conda virtual environment
- On a user interface
- In a HTCondor job
- Other tips
- Support
- Problem report
- Appendix A - Submit Description File Commands
- Appendix B - Helpful links
- Bibliography