To answer my own question, from DFSMS Using Data Sets:
3.8.6.1.1 Creating Nonstandard PDSE Member Names
The preceding topic described a method for creating a member in a PDSE where
the member name is specified on the JCL DD statement. Only member names
consisting of characters from a specific character set may be specified in JCL.
Please refer to the book z/OS MVS JCL Reference, section "Character Sets" for a
complete description of the supported character set. If your application has a
need to create member names with characters outside the character set supported
by JCL you should either use BPAM and issue your own STOW macro, or use BSAM or
QSAM while following this procedure (see Figure 132 for an example):
1. Code DSORG=PS or DSORG=PSU in the DCB macro.
2. In the DD statement specify the name of the PDSE where the member is to
be created, that is, DSNAME=dsname. Code other parameters as appropriate.
3. In your program issue an RDJFCB macro to obtain a copy of the JFCB
control block, this represents your JCL DD statement. The RDJFCB macro is
described in z/OS DFSMSdfp Advanced Services.
4. You can update JFCBELNM with member name consisting of characters that
are not limited to those which can be specified in JCL. The member name cannot
consist of bytes that all are X'FF'.
5. Process the member with an OPEN TYPE=J macro, a series of PUT or WRITE
macros, and the CLOSE macro. The system issues a STOW macro when the data set
is closed.
Note: If the member name specified in JFCBELNM begins with '+' (X'4E'),
'-' (X'60'), or X'Fx', the system does not issue the STOW macro. CLOSE will
interpret '+' (X'4E'), '-' (X'60'), or X'Fx' in JFCBELNM as an indication that
the data set is a generation data set (GDS) of a generation data group (GDG).
//PDSDD DD ---,DSNAME=MASTFILE,SPACE=(TRK,(100,5,7)),
// DISP=(NEW,CATLG),DCB=(RECFM=FB,LRECL=80)---
...
RDJFCB (OUTDCB)
...
MVC JFCBELNM,NAME
...
OPEN (OUTDCB,(OUTPUT)),TYPE=J
...
PUT OUTDCB,OUTAREA Write record to member
...
CLOSE (OUTDCB) Automatic STOW
...
OUTAREA DS CL80 Area to write from
OUTDCB DCB ---,DSORG=PS,DDNAME=PDSDD,MACRF=PM
NAME DC XL8'0123456789ABCDEF'
Figure 132. Creating A Nonstandard member name in a PDSE
If the preceding conditions are true but you code DSORG=PO (to use BPAM) and
your last operation on the DCB before CLOSE is a STOW macro, CLOSE does not
issue the STOW macro.
Regards,
Thomas Berg
_________________________________________
Thomas Berg Specialist A M SWEDBANK
> -----Ursprungligt meddelande-----
> Från: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] För
> Thomas Berg
> Skickat: den 19 augusti 2011 11:03
> Till: IBM-MAIN@bama.ua.edu
> Ämne: SV: PDS(E) "invalid" membernames give suprising behaviour in ISPF
> Data Set List Utility (BROWSE)
>
> A related question: Where can I find documentation about member names in
> PDSE (and PDS), I mean about technical limitations besides the formal
> rules that is implemented by the "standard" programs ?
>
>
>
> Regards,
> Thomas Berg
> _________________________________________
> Thomas Berg Specialist A M SWEDBANK
>
>
>
>
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