z/OS V1R6.0 DFSMS Access Method Services for Catalogs

SHCDSThe value of base-cluster is a fully or partially qualified VSAM data set name. Thehigh-level qualifier must be specified. You can use an asterisk (*) for a subsequentqualifier, but then no lower-level qualifiers are allowed. For example, this isallowed:A.*This is not allowed:A.*.BSHCDS ParametersPlease see Appendix C, “Interpreting SHCDS Output Listings,” on page 411 forexamples and explanations of the output from the list parameters.The variable, subsystem, is the name of an online system, such as CICS, asregistered to the SMSVSAM server.Requirements:vvvVarious levels of authority are required to use the SHCDS parameters. SeeAppendix A, “Security Authorization Levels,” on page 351 for furtherinformation.A program that calls the SHCDS command must be APF-authorized. SeeAppendix D, “Invoking Access Method Services from Your Program,” on page421 for more information.To use the SHCDS command in the TSO/E foreground, SHCDS must be addedto the authorized command list (AUTHCMD) in the SYS1.PARMLIB memberIKJTSOxx or added to the CSECT IKJEGSCU. Please see z/OS TSO/ECustomization for more information.The SHCDS parameters provide for these tasks:vvvListing information kept by the SMSVSAM server and the catalog as related toVSAM RLS or DFSMStvs. Use:LISTDSLISTSUBSYSLISTSUBSYSDSLISTRECOVERYLISTALLLISTSHUNTEDControlling forward recovery, as well as preserving retained locks when a dataset is moved or copied; and, in rare cases when forward recovery fails, deletingthe locks. Use:FRSETRRFRUNBINDFRBINDFRRESETRRFRDELETEUNBOUNDLOCKSAllowing non-RLS updates when forward recovery is required. Use:PERMITNONRLSUPDATEDENYNONRLSUPDATE340 z/OS V1R6.0 DFSMS Access Method Services for Catalogs