John, I remember, and Ian Lee wouldn't believe me when I wanted to change the ordering and VTOC location after we put SYSRES on the 3880-23. Now we do this with volume placement in array groups, instead of datasets on volumes.
Ron > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of > John Ticic > Sent: Tuesday, May 04, 2010 12:33 AM > To: IBM-MAIN@bama.ua.edu > Subject: Re: [IBM-MAIN] How to analyze a volume's access by dataset > > >Cast your mind back to GTFPARS. This IBM FDP would build seek > histograms > >using IEHLIST VTOC Listings as input to map the extents of the > datasets on > >the volume. > > > > Ah Ron, the good old days. One of my tasks at NAB was using GTFPARs > to map out the SYSRES access pattern and build allocation JCL to > optimize data set placement around the VTOC. > > Regards > > John > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
