COF10302I keywd [CLASS(classname)] [DATASET(dsname[(membername)])] [VOLSER(volser)] VLF NOTIFICATION FAILED. RETURN CODE=nnnnnnnn REASON CODE=nnnnnnnn
Explanation
or keywd CLASS(classname) [MAJOR(majorname) [MINOR(minorname)]] VLF NOTIFICATION FAILED. RETURN CODE=nnnnnnnn REASON CODE=nnnnnnnn
The virtual lookaside facility (VLF) function that you attempted to invoke returned a non-zero return code or reason code, indicated in the message text. This message also displays the command parameters that you entered, in their entirety, regardless of whether you entered an allowable shortened form. If you specified DSNAME as an alias for DATASET, the message displays DATASET. The keywd field is replaced by ADD, DELETE, or UPDATE.
System action
Processing continues with no change made to VLF storage.
User response
See z/OS MVS Programming: Authorized Assembler Services Reference ALE-DYN for an explanation of the displayed macro return and reason codes to determine what action should be taken. If 'DELETE CLASS' is displayed, see the description of the COFPURGE macro. For all other cases, see the description of the COFNOTIF macro.
Source
VLFNOTE