To confirm the VTOC was inabled. This was verified via ISMF. --- On Fri, 25/12/09, Mark Zelden <mark.zel...@zurichna.com> wrote:
From: Mark Zelden <mark.zel...@zurichna.com> Subject: Re: INCREASING SIZE OF VIR - VTOC INDEX RECORD To: IBM-MAIN@bama.ua.edu Received: Friday, 25 December, 2009, 2:49 AM I want some of what they're smokin'. It's either full, or it's not and there is no performance difference that I ever heard of. Actually, if you could measure it, perhaps a (grossly) over-allocated VTOCIX would probably perform worse. Are you sure it wasn't a disabled VTOCIX? Mark -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America / Farmers Insurance Group - ZFUS G-ITO mailto:mark.zel...@zurichna.com z/OS Systems Programming expert at http://expertanswercenter.techtarget.com/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html On Thu, 24 Dec 2009 05:40:17 -0800, John Dawes <jhn_da...@yahoo.com.au> wrote: >Barry, > >Our Capacity performance group said that the slow response time for some volumes was caused by the small VTOCIX. The suggestion was made to increase it. > >--- On Wed, 23/12/09, Schwarz, Barry A <barry.a.schw...@boeing.com> wrote: > > >From: Schwarz, Barry A <barry.a.schw...@boeing.com> >Subject: Re: INCREASING SIZE OF VIR - VTOC INDEX RECORD >To: IBM-MAIN@bama.ua.edu >Received: Wednesday, 23 December, 2009, 6:41 AM > > >I assume you meant the size of the VTOCIX dataset and not the size of the VIR in the dataset. > >The job matches what I use (except I don't include the VTOCIX DSN in the first step). > >But what makes you think the VTOCIX is undersized? The CVAFDSM macro will tell you how many VIRs are still available in the dataset. > >-----Original Message----- >From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of John Dawes >Sent: Tuesday, December 22, 2009 7:04 AM >To: IBM-MAIN@bama.ua.edu >Subject: INCREASING SIZE OF VIR - VTOC INDEX RECORD > >Good Evening To All, > >We have noticed that some of the VIRs on several volumes are very small. We would like to increase the size. I am not sure if I am on the right track this is why I need your help. > >The VIR exsists on the volume and in order to increase the size I will need to purge it and reallocate it. Below are the 2 jobs I would like to use. Would they work? Is there another way of going about it? I would welcome your suggestions. > >Job to delete the VTOCIX > >//STEP1 EXEC PGM=ICKDSF,REGION=3M >//MYVOL DD UNIT=(3390,,DEFER),VOL=SER=PROD21, >// DSN=SYS1.VTOCIX.PROD21,DISP=SHR >//SYSIN DD * >//SYSPRINT DD SYSOUT=* >//SYSIN DD * >BUILDIX DDNAME(MYVOL) OSVTOC PURGE >/* >Job to build the VTOCIX > >/* >//STEP01 EXEC PGM=ICKDSF,REGION=4M,PARM='NOREPLYU' >//PROD21 DD DSN=SYS1.VTOCIX.PROD21,UNIT=SYSALLDA, >// VOL=SER=PROD21,DISP=NEW,SPACE=(CYL,(2)) >//SYSPRINT DD SYSOUT=* >//SYSIN DD * > BUILDIX IXVTOC,DDNAME(PROD21) >/* >// > >---------------------------------------------------------------------- >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 > __________________________________________________________________________________ See what's on at the movies in your area. Find out now: http://au.movies.yahoo.com/session-times/ > >---------------------------------------------------------------------- >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 __________________________________________________________________________________ See what's on at the movies in your area. Find out now: http://au.movies.yahoo.com/session-times/ ---------------------------------------------------------------------- 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
