>From the FM:
Verb code 01 - Dsname allocation text units
Dsname specification - Key = '0002'
DALDSNAM specifies the name of the data set to be allocated. The data set name
can contain special characters, if the data set name is enclosed in
apostrophes. The system cannot catalog a data set name enclosed in apostrophes;
it will use a disposition of KEEP instead. The data set name can contain system
symbols. See the information on using system symbols in z/OS MVS Initialization
and Tuning Reference for more information.
The maximum length of the data set name is 44 characters, excluding any
enclosing apostrophes and compressing any double apostrophes within the data
set name.
Example: To specify the temporary dsname &LOAD, code: KEY # LEN PARM
0002 0001 0005 50 D3 D6 C1 C4
Sent from my iPhone
On Sep 24, 2016, at 21:46, Charles Mills
<[email protected]<mailto:[email protected]>> wrote:
Well, yeah, it has to be temporary -- you can't catalog a dataset in VIO!
SVC 99 will let you allocate a temporary dataset -- I think it was a
back-reference you were trying to do before? That won't work.
IIRC the basic SVC 99 temporary dataset strategy is to omit the DSN key.
What are you trying to do? Allocate a dataset that will be used in turn by two
programs that you will call, like an assembler and the binder? That works just
fine. Just choose a DD name, or let SVC 99 choose one, and pass that name to
both programs.
You may or may not want to specify UNIT=VIO. I think the usual technique these
days is to let SMS pick a unit type. It may well pick VIO for a temporary
dataset.
Charles
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of Joe Reichman
Sent: Saturday, September 24, 2016 5:46 PM
To: [email protected]<mailto:[email protected]>
Subject: Re: S99ERROR = 21C For &&OBJ UNIT=VIO
Hi
I have UNIT=VIO
I just read where this can only be specified on a temporary dataset and as I
have been told I can't do that with SVC 99
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