GSI Linux filesystems

Network file systems

Home file systems (/u)

Central user home file system for personal data like source code, analysis tools etc

File Sharing

Seafile is a software to synchronize and share files with team functions.

CVMFS - Software file system

Here, software is installed centrally to make it available to all users. This software is not available or distributed by DebianPackageManagement. Please check the web page for more information about it (installed software, usage, etc.).

Data file systems (/d, deprecated)

Volumes for the mass data with a capacity of about 100 TB up to some PB

• output of simulations
• experiment data
• superseded by Lustre

Lustre

• HPC file system /lustre/
• For experiment and simulation data
• There is no automatic backup for data on Lustre. It is recommended to archive important data to the tape library manually.
• For more information take a look at LustreFs.

Local file systems

/tmp/

• local partition for storing temporary data
• used by system processes, also available for local users
• files are not permanent but will be deleted periodically and/or on reboot (see cleanup policy below)

/data.local/

• local partition for storing user data
• not distributed to other hosts
• no backup of content (will be lost in case of hard drive crashes)

Cleanup policy for files on /tmp

This information is no longer valid in all cases.

Host	File system	Removal of files
all hosts	/data.local	none
all hosts	/s	30 days after last access to file. A minimum of 20 % free space will be kept free (files with a timestamp smaller than 30 days (29, 28, ...) are removed
lxi...	/tmp	30 days after last access to file. A minimum of 20 % free space will be kept free (files with a timestamp smaller than 30 days (29, 28, ...) are removed
all other hosts	/tmp	A minimum of 20 % free space will be kept free (oldest files are removed)

-- Christo, ThomasRoth, WalterSchoen -- 2004 - 2026