Jim,
Good memory.
My memory is a bit different (not by much though).
DFP 3.1 first offered SDB
TSOe (I think) at 2.1 ++ many PTF's for Rexx .
I recall having not to implement XA for REXX (not being fully ready
and SWA (above) not being fully supported by vendors. In one case I
had to change the (CA's) source code and the other had to wait for a
ZAP from Compuware.
I was not a happy camper and was calling the vendors daily for an
update. Put back my installation by about a month. I had egg on my
face at work.
Ed
On Jul 22, 2013, at 9:03 PM, Jim Mulder wrote:
Long prior to the advent of SDB, I had formed the habit of omitting
BLKSIZE in my Rexx EXECs. The Rexx function library was smart:
it chose good BLKSIZEs and/or I didn't much care about fractional
deviations from absolute optimality. And, for all I knew (and didn't
care) it adapted well to different device types.
If I may quibble a bit with the reference to "Long prior to the
advent
of SDB":
REXX on MVS was introduced in TSO/E Version 2.1 for MVS/XA and
MVS/ESA.
I don't remember exactly when that was shipped, but I think it
would have
been in the
1987-1988 timeframe.
I don't remember exactly when SDB was introduced, but I found an
APAR OY19694 which was opened on January 5, 1989 for an SDB-
related
issue.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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