While dynamically allocating or deallocating 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 meanings of the SVC 99 return codes, see the dynamic allocation reason codes in z/OS MVS Programming: Authorized Assembler Services Guide.
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DFSMSdfp
IGW8RCLS, IGW8ROP2
2,10
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