There is regularly confusion about the term Plex and Sysplex. There a many Plexes: JESPLEX (MAS) GRSPLEX MIMPLEX SMSPLEX SAPLEX and SA-SUBPLEX IMSPLEX DB2PLEX CICSPLEX Etc. And there is: SYSPLEX. Sysplex is often used when one of the others are meant: a SYSPLEX consists of the systems controlled by XCF, see the D XCF command.
You can't/shouldn't share Dasd between GDPS P- and K- systems, although they are in the same Sysplex, so you can't shouldn't make SMSPLEX = SYSPLEX. If you really want to and you use MIM, you can make an SMSplex cross Sysplexes, with PDSE restrictions. Kees. -----Original Message----- From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of R.S. Sent: 21 May 2020 12:10 To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Creating new SMS environment in a monoplex No, not exactly. First, I meant "regular" sysplex. In that case it is possible and recommended to have SMSplex=sysplex. However it is also possible to have multiple SMSplexes within a sysplex, and within GDPS. And I mean SMSplex can be cross-plex - yes, it is possible. Multiple non-sysplexed systems can share SMS. Correct me if I'm wrong. -- Radoslaw Skorupka Lodz, Poland W dniu 20.05.2020 o 19:33, Vernooij, Kees (ITOP NM) - KLM pisze: > SMSPLEX=SYSPLEX: no, you can't. > GDPS K-systems cannot share Dasd with GDPS P-systems, so they must have > separate SMS plexes. > > If you mean: an SMSplex cannot cross Sysplexes: that is true. > > Kees. > > -----Original Message----- > From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of > R.S. > Sent: 20 May 2020 17:14 > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: Creating new SMS environment in a monoplex > > To complement: there is strict requirement to have SMSplex = Sysplex. > > SMS, as many other system components does support multihost configurations. > Multihost could mean several monoplex systems and shared CDS datasets on > shared volume. > Multihost could also mean SMSplex which covers some sysplex and few > monoplexes together. > SMSplex could also cover part of sysplex, so different sysplex member > may have different SMS settings. > > As usually IBM recommend to keep SMSplex = sysplex. > > Note: the above apply to DFSMSrmm, OAM (and tape libraries), etc. > > However each system component may have it's own specifics/restrictions. > AFAIK, in the very old days JES2 MAS could go beyond sysplex. Now it is > impossible - JES MAS is available only within sysplex boundaries. > However it is possible to have more than one MAS within sysplex. > Sometimes sysplex=*plex give some advantages, especially sysplex > communication and CF structures. > ====================================================================== Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 0000025237, NIP: 526-021-50-88. 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