On Mon, 7 Nov 2022 12:13:49 -0600, Dave Jousma <[email protected]> wrote:
>All, > >In many years, I haven’t seen this problem, really since the days pre-VTS, or >even in early VTS days where tape drives were physical devices. Today we >had a user allocate all 500 tape drives pulling data in Prod for whatever >reason. It would sure be nice if there were some “controls” that could limit >the simultaneous use of tape drives on a per user basis, whether batch job or >TSO user. > >I don’t think there is anything today that could be done, is there? Hadnt >had to think about this in a long time with so many virtual drives available. > One of the sysplexes I work on for my client still has ThruPut Manager code to prevent this from happening. The code goes back to the days they when they had physical STK 3490 then 9840 tape drives in a silo. In other sysplexes have seen what you described, but only a couple of times only in the last few years and we just deal with it and follow up with a gentle hand slapping. Best Regards, Mark -- Mark Zelden - Zelden Consulting Services - z/OS, OS/390 and MVS ITIL v3 Foundation Certified mailto:[email protected] Mark's MVS Utilities: http://www.mzelden.com/mvsutil.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
