DDR does not use Diagnose x98;  Therefore, there is no advantage.  There
must be some other reason those ids have that authority.

Steve Wilkins
IBM VM Development
z/VM I/O Strategy


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  |"Boyer, William" <[email protected]>                                           
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  |01/14/2009 11:15 AM                                                          
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  |DIAG98 on OPTION statement                                                   
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We are attempting to create a baseline for our z/VM system and one of the
documents we are using states that DIAG98 should not be used and I would
like to understand a little more about DIAG98.

I see that TCPIP, TSAFVM and other IBM supplied userids have DIAG98 on the
OPTION statement and that does not concern me. (I can say that IBM made me
do it for those supplied userids.) However, I see that DIAG98 is also
turned on my userid and on some userids that are used to copy fullpacks
using DDR.  Is there an advantage to have DIAG98 turned on to do full
volume DDR’s?

Here is the option statement for those DDR userids:
            OPTION DEVMAINT MAINTCCW DIAG98


Thanks.


William Boyer
Senior Technical Support Specialist
ViPS, a General Dynamics Information Technology Company
Business & Technology Services
One West Pennsylvania Avenue
Baltimore, MD  21204
Tel.   410.832.8300
Fax.  410.832.8329
[email protected]
www.vips.com

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