Peter Hunkeler wrote:

> I feel that our system trace is a bit small, especially since we moved to 
> z13. We currently have set them to 15M (per processor). What do others use?

Like Barbara, we are also at 999K (Actually documentation says, it will be 
translated to 1M).


John Eells wrote:

>We offer some (admittedly very slim) guidance in z/OS MVS Diagnosis: Tools and 
>Service Aids, in the Chapter on System Trace (Chapter 8).

Ah, yes! Thanks! I missed that initially, I even missed the link to that doc in 
System Commands bookie.


Jim Mulder wrote: 

>For master trace, I prefer something like 500K or 999K. Even the maximum of 
>999K is a pretty small amount of storage at today's prices, and a larger 
>MTRACE provides the convenience of sometimes not needing to figure out where 
>the syslog is archived.  

We have 500K initially, but later moved to 999K in around year 2009 or so.


>The new EXCLUDE(BEFOREALL  AFTERALL) introduced for z/OS 2.2 in APAR OA49814 
>can be very useful for this purpose.

That is interesting. Thanks!

Groete / Greetings
Elardus Engelbrecht

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