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Disks and Filesystems

The storage organisation conforms to the CINECA infrastructure (see Section "Data storage and Filesystems" ). In addition to the home directory ($HOME), for each user is defined a scratch area $CINECA_SCRATCH, a large disk for storing run time data and files. $WORK is defined for each active project on the system, reserved for all the collaborators of the project. This is a safe storage area to keep run time data for the whole life of the project.

$DRES points to the shared repository where Data RESources are maintained. This is a data archive area availble only on-request, shared with all CINECA HPC systems and among different projects.

$DRES is not mounted on the compute nodes. This means that you can't access it within a batch job: all data needed during the batch execution has to be moved on $WORK or $CINECA_SCRATCH before the run starts.

Since all the filesystems are based on gpfs (General Parallel FIle System), the usual unix command "quota" is not working. Use the local command "cindata" to query for disk usage and quota ("cindata -h" for help):

  > cindata

Modules environment

As usual, the software modules are collected in different profiles and organized by functional category (compilers, libraries, tools, applications,..).

On GALILEO a new feature has been added to the module environment: the profiles are of two types,  “domain” type (chem, phys, lifesc,..) for the production activity and “programming” type (base and advanced)  for compilation, debugging and profiling activities and that they can be loaded together.

"Base" profile is the default. It is automatically loaded after login and it contains basic modules for the programming activities (intel e gnu compilers, math libraries, profiling and debugging tools,..).

If you want to use a module placed under others profiles, for example an application module, you will have to load preventively the corresponding profile:

>module load profile/<profile name>

>module load autoload <module name>

For listing all profiles you have loaded use the following command:

>module list

In order to detect all profiles, categories and modules available on GALILEO the command “modmap” is available:

>modmap

We allow you to load old-Galileo environment modules.

To switch from new environmengt (the default one) to the old and vice-versa, you can load the superc module

>module load superc

and run one of the following commands:

FOR BASH USERS

. $SUPERC_SWITCH/switch_to_old.sh

to switch from new ro old environment, or

. $SUPERC_SWITCH/switch_to_new.sh

to switch from old to new environment.

FOR CHSCSH/TCSH USERS:

source $SUPERC_SWITCH/switch_to_old.csh

to switch from new ro old environment, or

source $SUPERC_SWITCH/switch_to_new.csh

to switch from old to new environment.