In <listserv%201011050917363008.0...@bama.ua.edu>, on 11/05/2010
   at 09:17 AM, Paul Gilmartin <paulgboul...@aim.com> said:

>I believe RACF will allow creating an OMVS segment with an
>8-character ID, compatible with prevalent institutional IDs.  What
>would happen if a user with such an ID submitted a batch job, or
>issued the Rexx "address TSO" instruction?

He wouldn't be able to set his prefix to his userid. I'm not aware of
any other issue.

>Surely issuing a single FIND and multiple READS should have been
>cheaper than concocting multiple member names and issuing a FIND for
>each, then READs.

The issue is on the update side, not the read side.
 
-- 
     Shmuel (Seymour J.) Metz, SysProg and JOAT
     ISO position; see <http://patriot.net/~shmuel/resume/brief.html> 
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)

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