""Tom Rusnak"" <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>... > Hi folks, > > I was running GTF to trace SVC 26(CATALOG) to try and figure out why my > master catalog hit ratio is between 45-55% both with ISC or VLF, but that
> may be another thread for another day. > > I noticed quite a few temporary data sets requests in the trace. The > majority if not all were coming out of a third party package (CA Endevor). > We do manage our temporary data sets thorugh SMS, however I can't seem to > create the same situation either with a &&TEMP data set in JCL, or running > IKJEFT01 in batch and using the TSO ALLOC command. When I GTF my job I > don't see any of the temporary data sets in the trace. > > Can anyone tell me under what circumstances SVC 26 will be used for > temporary data sets? Here are a couple of GTF entries for anyone game > enough to try. The first word of the PLIST varies a bit although > 04008101 seems to be quite common and I believe it along with the 08 at > offset 16 is simply a "Define". > > We had an issue a couple of years ago where OEMs were using the services (I believe IGWASMS) to determine if a data set is SMS-managed. Obviously temporary data sets have no aliases, so the master catalog is searched. I would get back to your vendor and ask them to change their code so when a temporary data set name, they NOT call IGWASMS. Thanks, Mark Thomen Catalog/IDCAMS/VSAM Development ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
