SCF Reference Manual for the Storage Subsystem (G06.27+, H06.04+)

Storage Subsystem Commands
SCF Reference Manual for the Storage Subsystem529937-008
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ALTER TAPE Command
STARTSTATE { STARTED | STOPPED }
specifies whether the IOP is available to other processes (STARTED) or
unavailable (STOPPED) when the system is loaded or reloaded. The default is
STARTED.