While dynamically allocating or deallocating the data set dsn, DFSMStvs issued a supervisor call instruction (SVC) 99 process. SVC 99 processing failed with return code rc and reason code rsnc.
DFSMStvs continues processing. If the error occurred during allocation, DFSMStvs is unable to complete restart recovery for the data set. As a result, all units of recovery against the data set that restart processing encounters are shunted. If the error occurred during deallocation, DFSMStvs continues with the data set closed but still allocated.
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For the meaning of the SVC 99 return codes, see z/OS MVS Programming: Authorized Assembler Services Guide.
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DFSMSdfp
IGW8RCLS, IGW8ROP2
2, 10
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