SP231 is a part of address space. It is virtual memory. LPAR is
"hardware", so LPAR memory is real memory with no concepts like subpool,
Common Area, PVT, etc. More: LPAR can host any operating system,
including zLinux, which has no address spaces, SP231, LPA, etc.
To repeat: NO z/OS MEMORY MAPPED TO PHYSICAL LPAR MEMORY CAN BE SHARED
IN SYSPLEX.
--
Radoslaw Skorupka
Lodz, Poland
W dniu 2019-11-27 o 18:03, scott Ford pisze:
We use one of the system subpool SP 231 for holding messages we build from
various ESMs. The customer asked if we could share SP231 across LPARs.
My take was no because I understood sp231 was unique until each LPAR .
Scott
On Wed, Nov 27, 2019 at 11:56 AM Allan Staller <[email protected]>
wrote:
Each LPAR has their own.
SYSPLEX does not share (virtual or real) storage.
Selected information is shared by XCF using CTC or Coupling Facility.
HTH,
-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On Behalf
Of scott Ford
Sent: Wednesday, November 27, 2019 10:33 AM
To: [email protected]
Subject: Sysplex
I have a question related to storage subpool. If you running a sysplex do
you share one set of subpool, I.e., sp 1 ,,etc. or does each LPAR have its
own ?
I assumed the later.
Scott
--
Scott Ford
IDMWORKS
z/OS Development
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