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

Optional ParametersCATALOG(catname)Recommendation: Do not use the CATALOG parameter with the PAGESPACEcommand. The CATALOG parameter requires the you specify a JOBCAT orSTEPCAT DD statement. By default, JOBCAT and STEPCAT DD statements aredisabled.Instead, use the DEFINE command to define the pagespace with an alias thatpoints to the desired target catalog. Then, rename the pagespace and specifythe target catalog name in the CATALOG parameter of the ALTER NEWNAMEcommand.To specify catalog names for SMS-managed data sets, you must have authorityfrom the RACF STGADMIN.IGG.DIRCAT facility class. See “StorageManagement Subsystem (SMS) Considerations” on page 2 for moreinformation.catnameSpecifies the name of the catalog.Abbreviation: CATDATACLASS(class)specifies the name, 1-to-8 characters, of the data class for the data set. Itprovides the allocation attributes for new data sets.Your storage administrator defines the data class. However, you can overridethe parameters defined for DATACLASS by explicitly specifying otherattributes. See “Specifying Attribute Selection Order” on page 14 for the orderof precedence (filtering) the system uses to select which attribute to assign.DATACLASS parameters apply to both SMS-managed and non-SMS-manageddata sets. If DATACLASS is specified and SMS is inactive, DEFINE isunsuccessful.Abbreviation: DATACLASFILE(ddname)specifies the name of the DD statement that identifies the device and volumeto be allocated to the page space. If the FILE parameter is not specified and thevolume is physically mounted, the volume identified with the VOLUMEparameter is dynamically allocated. The volume must be mounted aspermanently resident or reserved.MANAGEMENTCLASS(class)specifies, for SMS-managed data sets only, the 1-to-8 character name of themanagement class for a new data set. Your storage administrator defines thenames of the management classes you can specify. If MANAGEMENTCLASS isnot specified, but STORAGECLASS is specified or defaulted,MANAGEMENTCLASS is derived from automatic class selection (ACS). IfMANAGEMENTCLASS is specified and STORAGECLASS is not specified orderived, the DEFINE is unsuccessful. If SMS is inactive andMANAGEMENTCLASS is specified, the DEFINE is unsuccessful.Abbreviation: MGMTCLASDEFINE PAGESPACEMODEL(entryname) [ catname])Specifies that an existing page space entry is to be used as a model for theentry being defined. It is possible to use an already defined page space as amodel for another page space. When one entry is used as a model for another,its attributes are copied as the new entry is defined.Chapter 17. DEFINE PAGESPACE 191