d26f6791_e___Integration_ITB092___TWiki__Explanation
[Option] data_dir [Values Accepted] String [Explanation] 
The data_dir setting should point to a directory that can be used to store and stage data in and out of the cluster and accessed via the $OSG_DATA variable. This directory should be readable and writable on both the CE and worker nodes.
ConfigurationFileStorage < Integration/ITB092 < TWiki
Explanation