When I was doing zOS work, sigh, I always rebuilt the SAD environment on
&SYSR2 every time I rebuilt my sysres set after maintenance activities.
Mark Jacobs
Jesse 1 Robinson <mailto:jesse1.robin...@sce.com>
September 27, 2017 at 2:13 PM
As a practical matter, the SAD IPL volume needs enough space to
contain the SYS1.PAGEDUMP.Vxxxxxx data set, which seems to be 92
tracks at z/OS 2.1. Furthermore, the volume needs to be reachable--not
necessarily online--from every MVS image that might conceivably need
to take SAD. Depending on your configuration, you may need more than
one SAD IPL volume.
In addition the SAD IPL volume should in principle be compatible with
the level of z/OS that might use it. Periodically changes are made to
SAD by a PTF whose ++HOLD instructs you to rebuild SAD. It could
conceivably happen that an older level of z/OS might have trouble with
a higher level SAD IPL volume, but I've never seen it.
.
.
J.O.Skip Robinson
Southern California Edison Company
Electric Dragon Team Paddler
SHARE MVS Program Co-Manager
323-715-0595 Mobile
626-543-6132 Office ⇐=== NEW
robin...@sce.com
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU]
On Behalf Of Jim Mulder
Sent: Wednesday, September 27, 2017 10:25 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: (External):Re: DLIB volume for SAD
The only restrictions on the SAD IPL device is that it must not
contain a page data set for the system being dumped, and it must not
be used as an output device for this dump.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
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