This guide illustrates how to submit a FLUKA parametric job using IGP (Italian Grid Portal)

Preliminary Steps

It is mandatory to have a valid X509 certificate and VO GRIDIT membership. We assume that you are familiar with concepts like certificate proxies, job submission, storage elements. If this is not the case, better read this introduction. Other than that, you don't need to access an User Interface, since your grid interactions will be performed through IGP. Of course you will need to be registered to IGP, and authorized to the usage of FLUKA : this is done sending a mail to igi-portal-admin at lists.italiangrid.it, putting in copy alberto.andrighetto at lnl.infn.it.

Input files

This personal storage area will be used to load input files, using an archive, either plain (extension tar) or compressed (extension will be tgz). The archive must necessarily contain FLUKA input files, according to the following convention: archiveName_N.inp with N positive integer. FLUKA input files have also to be consecutive within the same archive. For instance, if your archive is called silicon2, the archive should be looking as follows:

> tar tfz silicon2.tgz

On your own machine, you can create in advance the archive, that will be eventually uploaded to IGP DM. To create locally the archive you should copy on a directory all the input files (already renamed properly, with the archive name and consecutive indexes), then enter the directory and then run the command

> tar cf archiveName.tar archiveName_*


> tar zcf archiveName.tgz archiveName_*

depending if you wish to create a plain or a compressed archive.

Please make sure that the chosen archive name (silicon2 in the example above) is the same for each inp file, and it corresponds also to the archive file name.

Login to IGP

Once you login to IGP, you are directed to the welcome section.

From 'My Data' you can manage your personal data. From there, with 'Advanced Settings', you can modify some settings related to notifications and proxy regeneration. It is suggested to enable Proxy Notification, which informs you when your proxy is going to expire, and to set Proxy Lifetime to 7 days.

FLUKA first access

Each portal user has a personal storage area, accessed through IGP Data Management (DM). The storage area path has a common prefix (/grid/gridit/spes_project/fluka) and a suffix depending from the user name (/username). The suffix depending from the username must be formed in this way : first given name character+family name. For instance, if the user is 'Mario Rossi', username will be mrossi. In case of repeated names, they will be differentiated with a further, randomly generated, suffix. Users might create directory and files under their own area, where there is no limit for the number of subdirectories. Following the first access to FLUKA, in IGP, the user must select his home directory LFC Home Folder, or create it if not existing. Although it's possible to change it, it's warmly suggested to leave unchanged LFC Home Folder once it has been defined.

Once that first access procedure is done, the user is redirected to Job Management area

Input file upload

Once created locally (on your own machine) the archive containing the input files, you can upload them to IGP, using the DM tools accessible in the Storage section. Change current path to the common /grid/gridit/spes_project/fluka and then to the personal directory defined before. If the input directory does not exist, create it. Then click on Upload, which prompts for the archive file selection. As target, you can leave Random Destination, or select a Storage Element you trust. Then press start to trigger the transfer, and wait for the Transfer OK message.

At the end you should see the archive file in the path you have specified.

Parametric job submission

You are now ready to submit a FLUKA job to the grid. A FLUKA job is implemented as a Parametric job, i.e. a compound job made of N simple jobs, each of them identified by an integer. Each of the jobs differ from the other for few parameters, like the index, the input or output files, etc.. To submit such a job, move to the Job section in IGP, and click on Submit New FLUKA Job. You will be redirected to the FLUKA dedicated submission interface, where you will define some parameters related to the job you want to submit.

The following customization is suggested:

  • Change Job Name as desired
  • Set properly Input, to the input file archive desired
  • Set Output to the remote directory where you want the job output to be copied. By default, this directory is the same containing input. If instead you want a different directory which doesn't exist, you have to create it using the proper DM option.
  • Set Number of Jobs and Start Number as indicated by the Help.

The template obtained can be saved as a new template, or it can be used for the submission to the grid.


  1. If your personal certificate is expired, IGP will ask you to load a new valid certificate. Once uploaded, you need to wait some minutes before a new job submission
  2. Changes to other parameters is considered an advanced topic and it's not being discussed here.

Job Monitor

From the FLUKA section you can check the status of your submitted jobs

  • Waiting: IGP has accepted the job for the submission
  • Running: job is being executed in the grid site specified from the Site field
  • Failed: job execution is failed
  • Done: the job has been correctly executed


  • IGP considers a job Done when there are no failures due to IGP itself or the grid. For instance, if the execution fails because of a wrong input, but exits correctly to the the operating system, the grid, and therefore IGP, have no way to detect the failure, which is only at the application level.
  • Single jobs, or multiple selections, can be submitted again or canceled just selecting the job and applying for the desired option.
  • Clicking on the Action button in the row representing the job, and then Get Output, you can check the job Standard Output or Standard Error if available
  • In IGP section My Data -> Advanced Settings you can enable mail notifications related to job status change, and proxy expiration.

Output retrieve

If everything went fine, the job will assume the Done status. Move to the IGP section Storage and you will see the job output files in the directory you have specified customizing the Fluka job template file

For each job there is a tar, following this convention for the name :


This should prevent conflicts resulting from one or more files having the same name, for instance it would happen with repeated submission of the same, identical, job template. Selecting an output file and choosing the Download action from the pop up, you will download the job output files to your machine. Multiple selection is allowed, but this may increase the time needed for download, consider it if there are huge output files.

-- EmidioGiorgio - 2013-11-05

Topic attachments
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Topic revision: r7 - 2013-12-02 - EmidioGiorgio
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