How about checking who has that dataset if the allocation fails? On Wed, Sep 23, 2015 at 12:54 PM, Dave Barry <000000a5644c6d08-dmarc-requ...@listserv.ua.edu> wrote: > The problem is that the SVC99 dynamic allocation is unconditional. If the > resource is already owned, the subsequent allocation request fails. At that > point there is no enqueue conflict to show in any monitor because no > exclusive or shared waiter was added for that resource in the GRS list. > > Static allocation is an option because allocation services causes the job to > wait (indefinitely) for enqueued datasets named in your JCL. > > This is a perennial issue that begs to be resolved. > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > Behalf Of Joseph W Gentile > Sent: Tuesday, September 22, 2015 11:04 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: Dataset enqueue, how to find the culprit. > > Hi, you could also run ISGECJES from SAMPLIB (z/OS 2.1). It is a simple > dataset enqueue contention monitor written in assembler. > It won't go back in time. It will alert you to dataset contention going > forward. We wrote an article about it in z/OS Hot Topics Issue 27, page 54. > http://publibfp.dhe.ibm.com/epubs/pdf/e0z3n100.pdf > > -Joe > > Joe Gentile > z/OS GRS Lead > (845)435-2184 (T/L 295-2184) > jwgen...@us.ibm.com > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email to > lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
-- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
