Qmaster spool directory - Directory for qmaster spooling data .
Global execd spool directory - Directory for execution daemon spooling directory used by default for all execution hosts, unless overridden in the Host selection screen, each execution host creates a subdirectory in the global execd spool directory.
Spooling method
Classic - Spooling is done in human readable format.
Berkeley db - Spooling is done to local Berkley db.
Berkeley db spooling server - Spooling is done to Berkley db server.
Berkeley db host - host where Berkeley db server will be/is installed, enabled only when Berkeley db spooling server method is selected
Db directory - Berkeley db spooling directory either on local host or Berkeley db host in case of Berkeley db spooling server method