The CNAF is the main computing center of the INFN. In order to access the computing resources you need an account that can be request following the instructions provided here. An example of the form is here.

In case you lost your password, just send an email to sysop@cnaf.infn.it indicating your account and asking for password reset.

CNAF provides a very usefull user guide for Tier1.

CNAF provides a very usefull user guide for Monitoring. Monitoring is provide by a Grafana.

Below are direct link to:

• Storage Usage
• Batch System Usage

The overall status of GPFS can be found here

In order to access any CNAF machine, you first have to login in bastion.cnaf.infn.it. From there you can login to ICARUS UIs machines:

• ui01-icarus.cr.cnaf.infn.it
• ui02-icarus.cr.cnaf.infn.it

The filesystems are:

• /cvmfs: CernVM File System (CernVM-FS)
• /storage/gpfs_archive/icarus: tape (not accessible from UIs)
• /storage/gpfs_data/icarus/local: disk
• /storage/gpfs_data/icarus: disk (not writable from UIs apart fileset: /storage/gpfs_data/icarus/local)
• /opt/exp_software/icarus: dedicated to software
• /home/ICARUS: home directories

The disk area readable from UIs are:

• /storage/gpfs_data/icarus/plain
• /storage/gpfs_data/icarus/plain/user/<username>

The disk area writable from UIs are:

• /storage/gpfs_data/icarus/local

The following links provide additional info on:

• job submission
• data handling
• icaruscode
• display

For any kind of support refer to user-support@cnaf.infn.it