> -----Original Message----- > From: IBM Mainframe Discussion List <[email protected]> On > Behalf Of Pew, Curtis G > Sent: Thursday, July 11, 2019 3:06 PM > To: [email protected] > Subject: Re: Determine level of fragmentation in VTOCIX? > > On Jul 11, 2019, at 3:43 PM, Gibney, Dave > <[email protected]<mailto:[email protected]>> wrote: >
> I don't remember how we reached the numbers we used, but looking at the > info the ICKDSF manual, the 14 track index should be large enough for the > 5250 datasets possible with a 105 track VTOC. I an wondering if I can > REFORMAT REFVTOC EXTINDEX(14) and get refreshed, unfragmented > VTOCIX. > > > Every week I run DCOLLECT to get the count of free VIRs on my SMS > volumes. If that number gets too small (which it hasn’t for quite a while, as > I’ve increased the size of the VTOC indices on all volumes) then I run ICKDSF > ‘BUILDIX OS NOPURGE’ followed by ‘BUILDIX IX’. That always seemed to > prevent these errors. > Thanks, I should have thought to look at DCOLLECT. Which is run daily into MXG. I suspect I can pull this info easily with this clue :) Also, thanks for the confirmation that the index rebuild should help. > > -- > Pew, Curtis G > [email protected]<mailto:[email protected]> > > > > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email to > [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
