Lizette,

There are a number of checks that are done before the sort attempts to use 
MIDAW.  The final check is when we look at the UCBMIDAW bit in the UCB 
involved.  If a channel program tried to use MIDAW and it was disabled on the 
system level, IOS would fail the channel program with a PGM CHECK.  I have seen 
this situation.  It is possible that the sort is really not using MIDAW and the 
message is being posted in error.  We have never seen this and however 
unlikely, it is possible.  If you would contact me off-list, we can discuss 
what the next steps could be. 

John Reda
Syncsort, Inc.
201-930-8260

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of 
Lizette Koehler
Sent: Tuesday, July 29, 2008 6:58 AM
To: IBM-MAIN@BAMA.UA.EDU
Subject: MIDAW and Dynamic Activation

I have a strange problem going on right now.

We are in the process of upgrading our EMC dasd from DMX3000 to DMX4500.  We
have just recently got the DMX4500 connect but not setup to be used.

For some reason we are having MIDAW activated on our systems that can
support MIDAW.  I did not issue a SETIOS MIDAW=YES so I am not sure how it
is getting turned on.

So I issue the SETIOS MIDAW=NO, it says it is disabled.

However when one specific Syncsort Job runs, the Output shows that MIDAW was
used even though the D IOS,MIDAW shows disabled

Has anyone seen that?

Lizette

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