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

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

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

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DELETEIf the non-VSAM data set is uncataloged, you can delete its <strong>for</strong>mat-1 DSCBfrom the VTOC by using the SCRATCH function of the <strong>OS</strong>/VSIEHPROGM utility.Use this parameter to delete generation data sets (GDSs). You can rerun thejob step to reclaim a GDS that is in deferred roll-in state, if GDS reclaimprocessing is enabled (it is enabled by default). For more in<strong>for</strong>mation aboutGDS reclaim processing, see z/<strong>OS</strong> <strong>DFSMS</strong>dfp Storage AdministrationReference.SMS does not support temporary non-VSAM data sets.Exception: You can use RACF commands to specify an ERASE attribute ina generic or discrete profile <strong>for</strong> a non-VSAM data set. Use of the attributerenders all allocated DASD tracks unreadable be<strong>for</strong>e space on the volumeis made available <strong>for</strong> reallocation. Refer to the appropriate RACFpublications <strong>for</strong> in<strong>for</strong>mation about how to specify and use this facility.Abbreviation: NVSAMNVRspecifies that the object to be deleted is an SMS-managed non-VSAMvolume record (NVR) entry. This parameter must be specified to delete anNVR from a VSAM volume data set (VVDS) and its corresponding recordfrom the VTOC. The NVR/VTOC entries are deleted only if the relatednon-VSAM object catalog entry does not exist.Similar to DELETE VVR, the FILE parameter must specify the DDstatement name that identifies the volume containing the VVDS. If youselect a catalog through alias orientation or by use of the catalogparameter, it must match the catalog name in the isolated NVR (unless youhave read authority to the RACF FACILITY classSTGADMIN.IGG.DLVVRNVR.NOCAT).PAGESPACEspecifies that an inactive page space is to be deleted. A page space isidentified as “active” during the operator’s IPL procedure.To delete a page space in an SMS-managed user catalog you must includethe CATALOG parameter.Abbreviation: PGSPCPATHspecifies that a path entry is to be deleted. No entries associated with thepath are deleted.TRUENAMEspecifies that the object to be deleted is the truename entry <strong>for</strong> a data orindex component of a cluster or alternate index, or the name of analternate index. This parameter must be specified to delete a truenameentry. The truename entry is deleted only if the associated base record ismissing or is inaccessible.Abbreviation: TNAMEUSERCATALOGspecifies that the object to be deleted is a user catalog.The catalog connector entry in the master catalog is deleted. If the usercatalog has aliases, all the catalog’s alias entries in the master catalog aredeleted.220 z/<strong>OS</strong> <strong>V1R6.0</strong> <strong>DFSMS</strong> <strong>Access</strong> <strong>Method</strong> <strong>Services</strong> <strong>for</strong> <strong>Catalogs</strong>

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