Here are the VTOC sizes needed for volumes full of 1 track datasets. https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.1.0/com.ibm.zos.v2r1.ickug00/ick40744.htm
On Sun, Jul 5, 2020 at 4:22 AM Peter <dbajava...@gmail.com> wrote: > > Hello > > Thank you so much > > How do we determine the location of vtoc and index ? Is it possible to > place all the mod 27 in same location of cylinder and tracks ? > > On Sat, 4 Jul, 2020, 9:44 PM Lizette Koehler, <stars...@mindspring.com> > wrote: > > > It depends > > > > If the volume would have one dataset on it, like my SPOOL Volumes, then > > they are very small > > > > If like in my TSO Pool there are lots of tiny (15 track or less) then I > > make them huge. > > > > So it all depends on > > > > What the intent of the volume is (1 dataset vs Many Datasets) > > What size the volume is (Mod3/9/27/54/EAV) > > > > You will see an error message when the VTOC or VTOIX is too small. > > > > > > > > Hope this helps > > > > Lizette > > > > > > -----Original Message----- > > From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf > > Of Peter > > Sent: Saturday, July 4, 2020 10:12 AM > > To: IBM-MAIN@LISTSERV.UA.EDU > > Subject: Vtoc and index sizing based on Mods > > > > Hello Group > > > > Apology for being ignorant. > > > > Is there a formula or any constraints for initialising a specific dasd Mod > > ? > > > > How do arrive to a specific vtoc and index value while initialising a dasd > > ? > > > > Please help me to understand > > > > Peter > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, send email > > to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
