The IXLCACHE REQUEST=RESET_REFBIT request can complete prematurely if the request exceeds the time-out criteria for the coupling facility. (Time-out criteria is model-dependent.) When a request completes prematurely, the system might not have marked as unreferenced all the data items specified on the request. To mark the remaining data items, you must restart the request. For general information about restarting requests, see Restarting a Request that Ends Prematurely.

Note that you do not specify a buffer on the IXLCACHE REQUEST=RESET_REFBIT. If you want to keep track of the count for data entries that are processed on the request and the count of data entries for which the system resets the reference bit, you need to ensure that you include an answer area (ANSAREA). Before you restart the prematurely completed request, check the appropriate fields (CAADIRCOUNT for the total count and CAAREFCOUNT for the count of entries that have been reset).