> -----Original Message----- > From: IBM Mainframe Discussion List > [mailto:[EMAIL PROTECTED] On Behalf Of Rugen, Len > Sent: Thursday, June 16, 2005 1:04 PM > To: [email protected] > Subject: Re: Emulating SELTAPE=NEXT on z/OS. > > > I don't have it any more, but if you have MIM and something > like CA-OPS, > I had a trick... > > MIM has tape "preference" numbers, the bigger the number, the greater > preference is given to the drive. > > @V xxx,PREFERENCE=999 is the command. > > At each mount, I set PREFERENCE down by 1 for the drive. > When it got to > 0, I set it back to 999. > > Now we have 3490-C22's, one ESCON per controller for 2 drives. ESCON > can pretty much keep 2 drives busy w/o bottleneck. > > You could also set fixed preference values for the first drive in each > string, then -1 for the nth drive per string, to balance I/O > without the > script. > > For 2 strings, like this > > DEVNO 60x= 500 499 498 497 > DEVNO 62x= 500 499 498 497 > > The mounts should then occur in the order 600, 620, 601, 621, etc. >
That is a very good idea. Thanks. -- 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
