Looking for archive management system for backups burned to optical discs

freebsd-questions:

I have a SOHO file server with ~1 TB of data.  I would like archive the 
data by burning it to a series of optical discs organized by time (e.g. 
mtime).  I expect to periodically burn additional discs in the future, 
each covering a span of time from the previous last disc to the 
then-current time.


I am looking for FOSS software for Unix platforms that goes beyond a 
disc burner with multi-volume spanning.  The term "archive management 
system" comes to mind.


Comments or suggestions?


David