On Thu, 28 Feb 2008 12:47:41 -0600, McKown, John
<[EMAIL PROTECTED]> wrote:

>I am reading, but have no real experience. I have a single member
>sysplex right now. I need to split it into two z/OS images, in a basic
>sysplex. Due to stupidity on my part, I named the sysplex the same as
>the sysname. I would now like to change the name of the sysplex to
>something like PROD1. I don't see a simple way to do this. It appears,
>to me, that I'm going to need to create new couple datasets with the new
>sysplex name, IPL my system with then, then reinstall the existing
>definations (WLM, and LOGR right now) into the new couple datasets. This
>is going to be a bother due to the screams when I take any kind of
>"extended" outage (like more than 30 minutes).
>

Someone named a sandbox LPAR plex the same as production (prior
to my time here).  It was causing a problem with some monitoring 
software so I was asked to rename it a couple of years ago.   

Simple?  I think it was fairly simple.  There was no extended outage,
just and IPL and re-define of logstreams after I came up under the new
sysplex name.  Everthing else was staged prior to IPL.   Note that
none of the old logstreams were needed. 

Here are the notes for exactly what I did:

1) Defined / formatted new XCF, WLM, and LOGR couple data sets using new
data set and sysplex names
2) Extracted / Saved current WLM policy into a PDS prior to IPL
3) Deleted CICS logstreams (DASDONLY) prior to IPL.
4) Stopped RRS and deleted RRS logstreams (DASDONLY) just prior to IPL
5) Saved copy of COUPL00 parmlib member as COUPLE0@, updated COUPL00 with
new data set names and sysplex name prior to IPL
6) IPLed to pick up new couple data set names and sysplex name
7) Import WLM policy from saved data set and activated the policy
8) Define RRS logstreams
9) Started RRS
10) Define CICS logstreams


HTH,

Mark
--
Mark Zelden
Sr. Software and Systems Architect - z/OS Team Lead
Zurich North America / Farmers Insurance Group - ZFUS G-ITO
mailto:[EMAIL PROTECTED]
z/OS Systems Programming expert at http://expertanswercenter.techtarget.com/
Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html

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