Hi  Radoslaw,
If you combine all the rules for direct data sets across 2 or 3 pages of
the manual you get:
65,535 tracks per volume, 59 volumes, 16 extents per volume, 255 extents
across all volumes.
Which suggests to me a limit of 3,866,565 tracks.
Cheers,
Mick.


On Fri, 2 Nov 2018 at 11:40, R.S. <[email protected]> wrote:

> Documentations says the following:
>
> /Many types of data sets *are limited* to 65␠535 total tracks allocated
> on any one volume, and if a greater number of tracks is required, this
> attempt to create a data set will fail./
>
> //
> /Data sets that *are not limited* to 65␠535 total tracks allocated on
> any one volume are: /
>
>   * /A large format sequential; but cannot occupy more than 16␠777␠215
>     tracks on a single volume. /
>   * /Extended-format sequential/
>   * /UNIX files/
>   * /PDSE/
>   * /VSAM/
>
> ...lack od BDAM files here
>
> I think, you missed very important point: 64k tracks *PER VOLUME*. The
> limit is not per dataset.
>
>
> --
> Radoslaw Skorupka
> Lodz, Poland
>
>
>
>
>
>
> W dniu 2018-11-02 o 12:32, Mick Graley pisze:
> > Hi All,
> >
> > I can confirm that there is no 64K tracks limit on DSORG=DA data sets.
> > I inherited a number of Adabas databases and they use DSORG=DA.
> > One of my larger databases has a data storage component that is 240,525
> > tracks (16,035 cylinders) in 9 extents across 8 volumes.
> >
> > Organization  . . . : DA
> > Record format . . . : F
> > Record length . . . : 5064
> > Block size  . . . . : 5064
> > 1st extent cylinders: 363
> > Secondary cylinders : 1668
> > Allocated cylinders : 16,035
> > Allocated extents . : 9
> >
> > The rules are documented here:
> >
> https://www.ibm.com/support/knowledgecenter/SSLTBW_2.3.0/com.ibm.zos.v2r3.idad400/mdss.htm
> >
> > Cheers,
> >
> > Mick.
> >
> >
> > On Sat, 27 Oct 2018 at 01:10, Steve Smith <[email protected]> wrote:
> >
> >> BDAM implies DSORG DA, but can use any RECFM.  However, DSORG DA files
> are
> >> usually physically equivalent to DSORG PS, and often are so designated.
> >> However, most DA files I've seen are indeed RECFM=F.
> >>
> >> sas
> >>
>
>
> ======================================================================
>
> Jeśli nie jesteś adresatem tej wiadomości:
>
> - powiadom nas o tym w mailu zwrotnym (dziękujemy!),
> - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub
> zapisałeś na dysku).
> Wiadomość ta może zawierać chronione prawem informacje, które może
> wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia
> (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania,
> narusza prawo i może podlegać karze.
>
> mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,
> www.mBank.pl, e-mail: [email protected]. Sąd Rejonowy dla m. st. Warszawy
> XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 0000025237, NIP:
> 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na
> 01.01.2018 r. wynosi 169.248.488 złotych.
>
> If you are not the addressee of this message:
>
> - let us know by replying to this e-mail (thank you!),
> - delete this message permanently (including all the copies which you have
> printed out or saved).
> This message may contain legally protected information, which may be used
> exclusively by the addressee.Please be reminded that anyone who
> disseminates (copies, distributes) this message or takes any similar
> action, violates the law and may be penalised.
>
> mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950
> Warszawa,www.mBank.pl, e-mail: [email protected]. District Court for the
> Capital City of Warsaw, 12th Commercial Division of the National Court
> Register, KRS 0000025237, NIP: 526-021-50-88. Fully paid-up share capital
> amounting to PLN 169,248,488 as at 1 January 2018.
>
>
>
> ----------------------------------------------------------------------
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to [email protected] with the message: INFO IBM-MAIN
>

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO IBM-MAIN

Reply via email to