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
>
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