Amen to that.
I used to share PDSE, but it was "last resort" and for single action.
IMHO the only way to safely share PDSE data is to IEBCOPY it to PDSU (PS
file) and IEBCOPY to PDSE.
(context is cross-sysplex)
--
Radoslaw Skorupka
Lodz, Poland
W dniu 20.06.2023 o 14:24, Allan Staller pisze:
Classification: Confidential
Not my dog, but I would not do that, except under extreme duress.
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Gibney, Dave
Sent: Monday, June 19, 2023 4:09 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: GRS setup for MONOPLEX to SYSPLEX
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Even PDSE can be safely shared. If updates only occur from one LPAR and
read-only everywhere else. And, said updates may not be reflected immediately
(or until next IPL) in the other read-only LPARs
-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of
Radoslaw Skorupka
Sent: Monday, June 19, 2023 1:17 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: GRS setup for MONOPLEX to SYSPLEX
Yes, PDSE do require SYSPLEX. Not GRS-plex, not CA-MIM (or MII), but SYSPLEX.
Reason: PDSE use sysplex communication, not GRS facilities.
Regarding to the topic: in order to share datasets you need ...nothing.
No parallel sysplex
No base sysplex
Not even GRSplex
No SMSplex
Simply nothing except DASD available from several systems.
Of course, the more mentioned facilities you have the better sharing is.
And yes, in order to share PDSEs (properly) you still have sysplex.
However you can share ICF BCSes (catalogs), VSAM, PS, PDS, etc.
Note: there are various flavours of sharing. Shared DASD as a data transport
method, shared PDSes with jobs, REXX tools, etc. - it can be shared easily,
because it is not heavily used. Batch datasets - assuming proper batch windows
it is also can be shared easily.
For frequent sharing it is good to think about ICF ECS or RLS, etc.
--
Radoslaw Skorupka
Lodz, Poland
W dniu 19.06.2023 o 17:03, Michael Babcock pisze:
Beware of PDSEs. I’m not 100% sure but I think the sandbox needs to
be in the plex to share them. Updating a PDSE outside of the plex can
cause corruption.
We have our sandbox in the plex just to avoid issues.
On Mon, Jun 19, 2023 at 9:25 AM Paul Gorlinsky <p...@atsmigrations.com> wrote:
We have a sandbox system that references TSO user and ISV catalogs
and datasets. The sandbox has a unique master catalog but shares
virtually everything else.
It does have access to the couple facility that the Sysplex is using ...
But it is not a member of the Sysplex.
Is it possible for a monoplex z/OS system to share DASD, user cats,
etc., with a SYSPLEX via GRS management and coupling facility?
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