Classification: Internal A basic explanation of Shareoption (4,x) can be found in the Access Method Services Manual. It will point you to additional information.
HTH, -----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of R.S. Sent: Sunday, November 1, 2020 6:53 AM To: [email protected] Subject: Re: VSAM-RLS and DFSMStvs basic questions [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don’t click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] W dniu 31.10.2020 o 00:40, Joe Monk pisze: > Radoslaw, > > He is asking about shareoption (4 x) not (x 4) aka cross-region > sharing, not cross-system sharing. > > In VSE, Shareoption(4) allows vsam file sharing among partitions > (similar to a z/os address space). VSE manages that automatically, for the > user. Well, I just learnt something new about VSAM. Thank you. Actually it is strictly related to z/VSE - this system is unknown for me (my research told me there were only two installations in Poland). For example I don't know what is partition in VSE and how it is differ from regular address spaces or just several jobs (in VSE) working with same shared VSAM file. BTW: Few questions Where can I read about VSAM SHR (4 x)? Was SHR (4 x) available on MVS or its predecessor? Is there any "introduction" of VSE disks usage, datasets, and so called file system? How is it similar to z/OS? However, regarding the subject I sustain that migration to Db2 is worth to analyze. Of course everything depends on many factors like appliation complexity, staff availability, MIPS in use, budget, plans for the future, etc. -- Radoslaw Skorupka Lodz, Poland ====================================================================== 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). 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