Software layers at CCIN2P3

User runs batch jobs on Anastasie analysis cluster and Basta simulation cluster via common batch system (BQS)
Tape data accessed via Xtage staging facility
Drives allocated and tapes mounted by DIVA, using TMS
Home directories and group files in AFS
Backup and archiving via AFS, Elliot and ADSM (not shown)

Unix System + AFS