≫ Are VSAM GDGs supported? I created the GDG base using the JCL below and was able to create the first generation, but when I run that job again it tries to create generation 1 again, giving me a JCL error because the GDS already exists.
Frank, Check this. GENERATIONDATAGROUP Specifies that a generation data group (GDG) entry is to be defined. A GDG can contain both SMS- and non-SMS-managed generation data sets. A generation data set (GDS) cannot be a VSAM data set. If you create a GDG and its catalog is on an SMS-managed volume, you should remove any dependencies on pattern DSCBs. See z/OS DFSMS Using Data Sets for information about GDGs and GDSs. https://www.ibm.com/docs/en/zos/2.5.0?topic=dgp-required-parameters Thanks, Kolusu ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN