The following special processing conditions exist:
Specified in JCL; causes Tape Write Immediate, which, on physical 3480s and 3490s, forces a physical write to tape before returning channel end and device end to the host. CA Vtape processes OPTCD=W if requested; however, some records can be in flight and not yet saved on DASD when channel end and device end are returned to the host.
Specified in JCL; forces channel command chaining and is accepted by CA Vtape.
Specified in JCL; indicates shortened error recovery for physical tapes. This OPTCD is accepted by CA Vtape but does not affect processing.
The Tape Management System does not support tape label types. That is, LABEL=AL can result in the Tape Management System exhausting all available virtual tapes. Avoid unsupported label types, whether for a specific or a nonspecific volume request.
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