John, Isn't the recommended algorithm Random? The Next algorithm favours causes a trend to low order drives as I recall.
Ron > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On > Behalf Of McKown, John > Sent: Friday, 17 June 2005 1:55 AM > To: [email protected] > Subject: Emulating SELTAPE=NEXT on z/OS. > > I asked IBM about this on an ETR. They recommended looking that the > IEFTASSI code in SAMPLIB. I really need to emulate SELTAPE=NEXT due to > political pressure. I.e. management is now convinced that a least part > of our batch processes could run faster if z/OS would spread the tape > I/O out better. And they may well be correct. We have 32 3490E Escon > attached tape drives. This is four (4) banks of eight (8) drives. Each > bank has its own dedicated set of two Escon CHPs. > > Anybody have any code that they could share that would get these people > off my back? > > > -- > John McKown > Senior Systems Programmer > UICI Insurance Center > Information Technology > > This message (including any attachments) contains confidential > information intended for a specific individual and purpose, and its' > content is protected by law. If you are not the intended recipient, you > should delete this message and are hereby notified that any disclosure, > copying, or distribution of this transmission, or taking any action > based on it, is strictly prohibited. > > ---------------------------------------------------------------------- > 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 ---------------------------------------------------------------------- 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
