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

ALTER VOLUMEENTRYcontains commas, semicolons, embedded blanks, parentheses, or slashes,enclose the entire description in single quotation marks. The default isblank.Abbreviation: SHELFLOCSPECIALATTRIBUTE{READCOMPATIBLE|NONE}Shows special attributes of the tape volume. Use this parameter only forprivate tape volumes. Scratch tape volumes default to NONE.READCOMPATIBLEOn subsequent allocations, read compatible devices for allocation of thistape volume are used.Abbreviation: RDCOMPATNONEThere are no special tape attributes.Abbreviation:SATTRSTORAGEGROUP(groupname)Identifies the storage group name.groupnameThe 1-to-8 character name of the storage group in which this tape volumeis defined. The default is blanks. If the USEATTRIBUTE parameter isSCRATCH, however, the storage group name defaults to *SCRTCH*.Abbreviation: STORGRPUSEATTRIBUTE{SCRATCH|PRIVATE}Identifies the use attribute of a tape volume. You can use SCRATCH for scratchvolumes, or PRIVATE for private volumes (tape volumes with unexpired datasets on them). The default is PRIVATE. If you use SCRATCH, the storagegroup name is set to *SCRTCH*. and the expiration date is set to blanks.Abbreviation: UATTRWRITEDATE(wrtdate)Identifies the last date that a data set on the tape volume was opened forwriting.wrtdateA date, YYYY-MM-DD. The default is blank.Abbreviation: WDATEWRITEPROTECT|NOWRITEPROTECTIdentifies whether the tape volume is write-protected or not. If you do not usethis, write-protect status is unknown.WRITEPROTECTIndicates that the volume is write-protected.Setting WRITEPROTECT in the tape volume entry does not automaticallywrite protect your volume. It is an informational setting that is recordedwhen software detects that the volume is write protected and is not usedby software when determining whether the volume is protected. For avolume to be write protected, you will still need to set the write protect tabavailable on the physical tape volume. Because the availability to writeprotect a volume does not exist for logical volumes in a VTS, (no tabChapter 7. ALTER VOLUMEENTRY 87