Index: trunk/packages/invirt-database/python/database/models.py
===================================================================
--- trunk/packages/invirt-database/python/database/models.py	(revision 1361)
+++ trunk/packages/invirt-database/python/database/models.py	(revision 1363)
@@ -129,5 +129,6 @@
 session.mapper(Type, types_table)
 session.mapper(Mirror, mirrors_table)
-session.mapper(CDROM, cdroms_table)
+session.mapper(CDROM, cdroms_table,
+               properties={'mirror': relation(Mirror, backref="cdroms")})
 session.mapper(Autoinstall, autoinstalls_table)