Its a marketing deal not a technical thing. DRDA workload is ziip eligible.  


Marcy


----- Original Message -----
From: Linux on 390 Port <[email protected]>
To: [email protected] <[email protected]>
Sent: Wed Jun 10 12:25:05 2009
Subject: Re: [LINUX-390] DB2 Connect and Linux on Z

> We are new to the Linux world and have been developing Linux servers on
> our Z9. We are thinking of setting up a DB2 Connect Linux on a Z server
> with Hypersocket connection to out DB2 database which is on one of our
> zOS lpars.  Does anyone know if the performance is going to be
> compatible to the DB2 Connect running on a solaris server where the
> connection is Ziip eligible.  I have been told that if the DB2 connect
> runs through Hypersockets it is no longer Ziip elegible.  Forgive me if
> I seen to not be making sense.

I'm not sure I understand the question. ZIIPs serve only workload actually 
performed on z/OS, AFAIK (although I have some ideas about how to change 
that...). The only part of a transaction involving a non-z/OS client that would 
ever be ZIIP-eligible is the actual lookup/marshalling of the data done inside 
DB/2 on z/OS. 

If I understand what you're asking, then the two systems (Solaris and Linux on 
Z) attempting to execute the same query via DB2 Connect against a zOS DB2 
server would receive exactly the same treatment; there's nothing special about 
Solaris vs Linux clients in this scenario. That would apply to any 
network-based client, whether using hipersockets or any other transport. 
Workload running directly on z/OS accessing z/OS DB2 would benefit more from 
the ZIIP because the DB2 and z/OS code knows it's there and can exploit it more 
effectively. 

Am I totally misunderstanding you? 

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