===== Backups architecture =====

==== Web services ====
Currently, the backups for the ISC Learn Moodle platform (hannibal server) and the other webservices (Marcellus server) are done on a NAS hosted in Energypolis, 23N312.

For Moodle, data retention is 3 years, with 12 monthly versions, for the current month 4 weekly versions + a daily backup for he last 7 days.
==== Calypso ====
Not really a backup system, but persistent data for students are stored on the NFS share attached to the Calypso cluster, which is a Synology NAS FS2500.

On each users' home there is a symlink **nas_home** to their own directory on this NFS share.


==== Rumba ====
Todo

==== Disco and Chacha ====
To define