Subject: Re: [External] Re: Vtoc and index sizing based on Mods
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Hi Peter,
I
on the volume is deleted. :-)
Rex
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Peter
Sent: Saturday, July 4, 2020 11:22 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: [External] Re: Vtoc and index sizing based on Mods
Hello
Thank you so much
How do we determin
Simple formulae:
* # VTOC tracks = (max # datasets you want to have on the volume + max #
datasets with > 3 extents + max # EAS datasets + 5) / 50.
* # VTOCIX tracks = (max # datasets + 5) / 21;
I'd let SMS take care of the VVDS; it can grow if needed.
Things that should go without saying
W dniu 04.07.2020 o 19:12, Peter pisze:
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
There is no formula. No
t; > >
> > > You will see an error message when the VTOC or VTOIX is too small.
> > >
> > >
> > >
> > > Hope this helps
> > >
> > > Lizette
> > >
> > >
> > > -Original Message-
> >
he 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 Discus
-MAIN@LISTSERV.UA.EDU
Subject: Re: Vtoc and index sizing based on Mods
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,
wrote
t;
> 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 On Behalf
> Of Peter
> Sent: Saturday, July 4, 2020 10:12 AM
> To: IBM-MA
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
IBM guidelines are to support a volume filled with minimum sized
datasets (1 track / 21 cylinders EAV).
https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.2.0/com.ibm.zos.v2r2.ickug00/ick40743.htm
On Sat, Jul 4, 2020 at 5:12 PM Peter wrote:
>
> Hello Group
>
> Apology for being ignorant.
>
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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