This is the wiki page giving some details about the different databases.

Note: information_schema, log, mysql, and test are MySQL databases.

Host	Database name	Replication host	Manager
ippdb00	nebulous	ippdb02	*
ippdb01	gpc1	ipp001	*
ippc17	ippRequestServer	ippc19	*
ippdb01	isp		Heather
ippdb01	czardb		Roy
ippdb01	ippToPsps		Roy
ippdb01	detection_efficiency		Bill
ippdb01	Rw10BH96		Bill
ippc19	ippRequestServer	-	Replicated

Note: Databases on ipp001 are not shown (development cluster).

Other:

Host	Database name	Replication host	Manager
ippdb01	MD01
ippdb01	MD02
ippdb01	MD03
ippdb01	MD04
ippdb01	beaumont
ippdb01	czwtestA
ippdb01	czwtestB
ippdb01	eamtest
ippdb01	ippadmin

Backup policy is defined here.