GFAL2 FAQ

Where are the configurations files of GFAL2?

The default directory for gfal2 configuration file is /etc/gfal2.d/. It can be overriden via the environment variable GFAL_CONFIG_DIR.

How to use a specific transport protocol with SRM?

The priority list for SRM protocol resolution is defined in the configuration file srm_plugin.conf with the parameter TURL_PROTOCOLS.

Example: TURL_PROTOCOLS=root;http;gsiftp;rfio;dcap Will use use in order of preference if supported by the server "root -> http -> gsiftp -> rfio -> dcap"

I need to create a GFAL2 plugin, How to do it?

Install the package gfal2-devel and gfal2-doc.

What about the license?

GFAL2 is only under Apache 2.0 license.

What are the environment variables used by GFAL2 core?

• GFAL_PLUGIN_DIR Path of the plugin directory (default is /usr/lib64/gfal2-plugins/)
• GFAL_CONFIG_DIR Path of the configuration file directory (default is /etc/gfal2.d/)
• LCG_GFAL_INFOSYS URL of the bdii