I believe you're on the right path. VSAM RLS requires a coupling facility for its lock and cache structures, and DFSMStvs is a priced feature of z/OS too.
Mark Jacobs Sent from ProtonMail, Swiss-based encrypted email. GPG Public Key - https://api.protonmail.ch/pks/lookup?op=get&[email protected] ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Friday, October 30th, 2020 at 6:51 PM, Tony Thigpen <[email protected]> wrote: > All, > > I have a z/VSE client that believes it is time to move to z/OS. But, > > they have one big concern. They have a lot of ShareOption=4 VSAM files. > > For those that don't know it, ShareOption=4 files on z/VSE "work out of > > the box" without any need for the application program to perform any > > enqueue or dequeue. z/VSE automatically performs those functions, unlike > > z/OS where the application has to handle the enqueue process. > > In their case, they use shareoption=4 so that they can update VSAM files > > from batch Cobol programs while at the same time CICS Cobol programs are > > also updating the files. They don't want to have to change their programs. > > From my initial research, it appears that this same function can be > > reproduced on z/OS using DFHSMStvs. (And, it looks like VSAM-RLS is also > > required to support DFHSMStvs.) > > Are we going down the right path? > > Tony Thigpen > > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
