PDSESHARING=EXTENDED and start SMSPDSE1
SMSPDSE (address space) is for "system tasks" SMSPDSE1 is for "user tasks"
Check the fine manuals.
This is an SMS issue, not a MIM issue.
-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of S B
Sent: Wednesday, July 24, 2019 10:23 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Sharing PDSEs in shared DASD Environment
Thisis a simplified description of our environment (for thesake of this
discussion)
Weare running z/OS V2.3 and using CA’ MIM
Wehave two LPARs – LPAR1 Development and LPAR2 Production – there two LPARs
areshared DASD but separate JES2 Spools and not SYSPlex. We
have"PDSESHARING(NORMAL)" in IGDSMS00 and clearly onlyhave SMSPDSE running.
Somedevelopers have PDSEs for their “.JCL” datasets. We used to receive
requests to restore their datasets because their PDSE datasets were
“corrupted”. At that time and as part of the problem resolutions (and CA'
recommendation) we added the following entries to the MIM (CAMIMGR)and that
seemed to solve the issue (we did not get any more calls for “corrupteddatasets”
SYSZIGW0GDIF=YES,
SCOPE=SYSTEMS,
EXEMPT=NO,
ECMF=NO,
RPTAFTER=30,
RPTCYCLE=60
SYSZIGW1GDIF=YES,
SCOPE=SYSTEMS,
EXEMPT=NO,
ECMF=NO,
RPTAFTER=30,
RPTCYCLE=60
Lookingback at this issue and in preparation for COBOL Enterprise upgrade from
V4.2, accordingto many writeups/red books that I could find, in effect we
cannot have PDSEs in ourenvironment – this being one of them
IBM PDSE DATA SET SHARING Basics
I am assuming there areother shops like us - shared DASD but not SYSPlex – what
are our options inusing PDSEs if any?
Theseare our thoughts:
SYSPlexingthese two LPARs takes away the separation of Development and
Production during systems upgrades and applications development (e.g., test in
development for two weeks before moving to production). Alsosharing the JES2
Spool will be complicated
Separatingthe DASD and master/user catalogs seems to be drastic change
technically andculturally
Any feedbackand suggestions will be great
Thanks
Shahnaz
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