On Tue, May 15, 2018 at 8:33 AM, John McKown
<[email protected]> wrote:
> On Tue, May 15, 2018 at 7:57 AM, Kurt Quackenbush <[email protected]> wrote:
>
>> On 5/15/2018 2:58 AM, Mike Fulton wrote:
>>
>>> Hi
>>>
>>> I know in ISPF under 3.2, if I am allocating a dataset and it is
>>> SMS-managed, I can specify the space in bytes (e.g. megabytes)
>>> instead of tracks or cylinders or blocks. Is there a similar way to
>>> do this from the TSO ALLOC command? Looking at the manual, I can't
>>> see it, but I would have thought if it could be done in ISPF, it
>>> could be done in TSO...
>>>
>>
>> It sure would be simpler if you could just specify the number of bytes,
>> but that's not how it works.  Instead you specify the length of an average
>> record (AVBLOCK) in bytes and the multiplier (AVREC).
>> https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.1.0/
>> com.ibm.zos.v2r1.ikjc500/alloccmd.htm
>
>
> S
> o you simply set AVBLOCK to 1 and AVREC to number of bytes?

It would include a lot of inter record gap space.
Even AVGREC=80 and using blocksize 8000 would add a lot of inter
record gap space.

-- 
Mike A Schwab, Springfield IL USA
Where do Forest Rangers go to get away from it all?

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