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 ||
|| ippc02 || ''gpc1'' || - || Slave ||
|| ippc17 || ippRequestServer || ippc19 || * ||
|| ippc19 || ''ippRequestServer'' || - || Slave ||
|| ippdb00 || nebulous || ippdb02 || * ||
|| ippdb01 || gpc1 || ippc02,ippdb02 || * ||
|| ippdb01 || ippadmin || ipp001,ippdb02 || * ||
|| ippdb01 || isp || ippdb02 || Heather ||
|| ippdb01 || czardb || ippdb02 || Roy ||
|| ippdb01 || ippToPsps || || Roy (Obsolete?) ||
|| ippdb01 || ipptopsps || || Roy (Current?) ||
|| ippdb01 || detection_efficiency || || Bill ||
|| ippdb01 || Rw10BH96 || || Bill ||
|| ippdb02:3306 || ''nebulous'' || - || Slave ||
|| ippdb02:3307 || ''gpc1,czardb,isp,ippadmin'' || - || Slave ||

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 || eamtest || || ||

Backup policy is defined [wiki:DatabaseBackups here].