806:
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aids. DSDSS and DFHSM became optional chargeable features of DFSMS; DFSORT and RACF remained separate products. While DFSMS/MVS Release 1 still included ISAM, IBM eventually dropped it, but continued to support the ISAM compatibility interface to VSAM. DFSMS/MVS R1 included the optional
Removeable Media Manager (DFSMSrmm), which supports both manual tape libraries and the 3495 Tape Library Dataserver.
77:
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36:
777:
The installation can also define automatic class selection (ACS) rules that can test, e.g., data set name, and select list names based on installation policies and user requests. A common scenario is for the installation to write a storage group ACS routine to ignore any UNIT parameter and to select
438:
On
February 15, 1988 IBM announced MVS/System Product Version 3 (MVS/ESA), it also announced MVS/Data Facility Product Version 3 (MVS/DFP), 5665-XA3; MVS/SP V3 required either MVS/XA Data Facility Product Version 2, 5655-XA2, or Version 3. More recent releases were corequisites for MVS/ESA SP Version
488:
On May 19, 1992, IBM announced DFSMS/MVS, 5695-DF1, replacing MVS/Data
Facility Product (MVS/DFP) Version 3, 5665-XA3, Data Facility Hierarchical Storage Manager (DFHSM) Version 2, 5665-329 and Data Facility Data Set Services (DFDSS) Version 2, 5665-327. DFSMS/MVS also replaced utilities and service
427:
On
October 21, 1981, IBM announced new Kxx models of the 3081, supporting a new architecture known as System/370 Extended Architecture (370-XA). IBM also announced MVS/Extended Architecture (MVS/XA), consisting of MVS/SP Version 2 and a corequisite new product, Data Facility Product (DFP), 5665-284,
733:
System
Managed Storage (SMS) is a set of facilities for controlling the placement, migration and retention of datasets on direct access storage devices that is more flexible than older methods, e.g., VOL=SER specifications in JCL. Prior to SMS, the installations defined unit names during system
879:
DFSMShsm, originally
Hierarchical Storage Manager (HSM), 5740-XRB, and later Data Facility Hierarchical Storage Manager Version 2 (DFHSM), 5665-329, before becoming an optional component of DFSMS, is a utility for archiving and retrieving datasets. It migrates data from faster storage to less
568:
DFSMSdfp replaces the older direct, index and sequential access methods, the utilities and service aids, the linkage editor, the loader and program fetch. It is the component to which new device support code is added. DFSMSdfp adds a number of loosely related facilities.
894:
RACF is a security program that is part of the DFSMS family but not part of the DFSMS/MVS product. It includes an API called SAF that allows applications to do authentication and to check access privileges, and also includes an interface to
434:
On
February 5, 1985, IBM announced MVS/XA Data Facility Product (MVS/XA DFP) Version 2, 5655-XA2, as a replacement for MVS/XA Data Facility Product Version 1, 5665-284. DFP replaced BDAM, BPAM, BSAM, ISAM, QSAM and VSAM.
94:
49:
556:
DFSMSdss is a chargeable feature of DFSMS that can dump and restore selected data sets and selected volumes based on specifications in control statements. It is also referred to in documentation as a
734:
generation, and two pools of DASD volumes, called PUBLIC and STORAGE, in a member of the system parameter library. In addition, users had to explicitly define characteristics of new datasets.
55:
431:
On May 17, 1983, IBM announced MVS/370 Data
Facility Product (MVS/370 DFP), 5665-295, for MVS/SP Version 1 Release 3, replacing the same five programs as DFP for MVS/XA.
363:). All releases of OS/VS2 were available to no charge because the software cost was bundled with the hardware cost. OS/VS2 Release 3.8 was the last free release of MVS.
778:
the storage group, and to write a DATACLASS ACS rule to assign a dataclass that has default DCB parameters, with both making decisions based on the data set name.
355:
In 1972 IBM announced the first release of the OS/VS2 operating system for the IBM System 370 systems; that release later was known as Single
Virtual Storage (
1255:
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243:
141:
1219:
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1111:
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682:(PDSE) is a new type of dataset that resolves several issues with the old PDS organization but that can be read and written by existing BPAM,
485:
DFP is no longer available as a separate product, but has become part of Data
Facility Storage Management Subsystem, under the name DFSMSdfp.
211:
109:
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63:
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DFSMSdfp provides facilities for using several different protocols to duplicate or mirror DASD volumes to a remote location.
683:
200:
193:
98:
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is also a collective name for a collection of several products, all but two of which are included in the DFSMS/MVS product.
236:
134:
560:. DSS replaces the older DASDR and the dump/restore facilities of IEHDASDR, although the dump formats are not compatible.
359:). In 1974 IBM announced release 2.0; that release and all subsequent releases became known as Multiple Virtual Storage (
781:
When SMS is active, several new parameters are available in dynamic allocation and the DD JCL statement, e.g., DSNTYPE.
407:
931:
While the syntax for an Automatic Class Selection (ACS) is similar, Data Facility Storage Management Subsystem/VM in
548:; it does not distinguish between features added by, e.g., DFDS, and features added in the latest release of z/OS.
1022:"3081 Processor Complex Models K16, K24 and K32 - New System/370 Extended Architecture (370-XA) Added to 3081"
189:
87:
586:
1112:"Multiple Virtual Storage Extended Architecture (MVS/XA) Data Facility Product (DFP) Version 2 Release 1"
1000:
Eventually IBM replaced the sysgenn method of defining device names with the new MVSCP and HCD programs.
880:
expensive storage, either based on time stamps or explicit requests. It uses DFSMSdss as a data mover.
865:
DFSORT is a sort/merge utility that is part of the DFSMS family but not part of the DFSMS/MVS product.
973:
DSS cannot read dumps produced by IEHDASDR or by 5740-UT1, Direct Access Storage Dump Restore (DASDR).
398:
DFEF offers a new type of VSAM catalog, but had reliability problems that were only resolved in DFP.
1040:"MVS/XA System Overview - New Levels of System Function Provided by MVS/Extended Architecture (XA)"
848:
581:
uses records with 44 byte keys, and a sequential search using a Search Key Equal/TIC *-8 loop. The
475:
386:
DFDS supports an indexed VTOC, and with the proper PTF supports the Speed Matching Buffer on the
911:(DFSMSrmm) controls libraries of tapes, whether manually mounted on tape drive or stored in an
847:(OAM) maintains a library of unstructured objects. Such objects are sometimes referred to as
737:
With SMS, an installation can define and update several types of lists, described by IBM as
474:
In addition to replacing part of the device support in the base MVS/SP, DFP replaces the
982:
Originally a separate product called Data Facility Data Set Services (DFDSS), 5740-UT3.
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702:
648:
632:
The Improved Catalog Facility (ICF) replaces the OS/360 Control Volume (CVOL) and the
601:
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324:
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424:
In June 1980, IBM announced MVS/System Product (MVS/SP) as a replacement for MVS/SE.
912:
356:
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replacing five of the products listed above, the linkage editor and the loader.
178:
76:
1058:"System/370 Extended Architecture Supported by MVS/System Product Version 2"
456:
IBM Data Facility Hierarchical Storage Manager (DFHSM) Version 2 Release 4.0
789:
The Binder is a program similar to the linkage editor that can also manage
1318:"IBM MVS/Data Facility Product (MVS/DFP) Version 3 - Object Access Method"
308:. It includes access methods, utilities and program management functions.
387:
17:
1130:"Enterprise Systems Architecture/370 and MVS System Product Version 3"
935:
manages a different set of resources and uses different code for I/O.
860:
578:
467:
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Backup or recovery of all data sets in a group in a single operation
1202:"IBM 3495 Tape Library Dataserver and IBM 3490 Library Attachment"
544:
This section describes features of DFSMS from the perspective of
453:
IBM Data Facility Data Set Services (DFDSS) Version 2 Release 4.0
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IBM MVS/Data Facility Product (MVS/DFP) Version 3 Release 1.0
406:
SAM-E improves the performance of BPAM, BSAM and QSAM on
1306:. IBM. September 30, 2021. pp. 18–21. SC23-6851-50.
366:
In the late seventies and early eighties IBM announced:
1262:(Announcement Letter). September 10, 1996. LTR 296-347.
1082:(Announcement Letter). October 21, 1981. LTR ZP81-0798.
1046:(Announcement Letter). October 21, 1981. LTR ZP81-0789.
817:
714:
660:
613:
525:
380:
5740-AM6 Data Facility Device Support (DFDS) for OS/VS1
336:
1154:(Announcement Letter). February 15, 1988. LTR 288-060.
1136:(Announcement Letter). February 15, 1988. LTR 288-059.
1064:(Announcement Letter). 9 December 1981. LTR ZP81-0794.
1166:"Data Facility Storage Management Subsystem Overview"
1118:(Announcement Letter). February 5, 1985. LTR 285-030.
501:
On March 1, 1994, IBM announced DFSMS/MVS Release 5.
498:
On March 1, 1994, IBM announced DFSMS/MVS Release 4.
495:
On March 1, 1994, IBM announced DFSMS/MVS Release 3.
492:
On March 1, 1994, IBM announced DFSMS/MVS Release 2.
212:"Data Facility Storage Management Subsystem" MVS
110:"Data Facility Storage Management Subsystem" MVS
1226:(Announcement Letter). March 1, 1994. LTR ZP94-0202.
959:
5740-AM8 Access Method Services Cryptographic Option
585:
Index (VTOCIX) is an optional data set that indexes
415:
5740-AM8 Access Method Services Cryptographic Option
383:
5740-AM7 Data Facility Device Support (DFDS) for MVS
1172:(Announcement Letter). April 19, 1988. LTR 288-200.
1028:(Announcement Letter). October 21, 1981. ZG81-0263.
442:On April 19, 1988, IBM announced the umbrella term
101:. Unsourced material may be challenged and removed.
1324:(Announcement Letter). June 28, 1988. LTR 288-340.
1280:(Announcement Letter). June 9, 1997. LTR A97-0608.
956:5740-AM3 Sequential Access Method Extended (SAM-E)
403:5740-AM3 Sequential Access Method Extended (SAM-E)
1244:(Announcement Letter). May 30, 1995. LTR AZ5=607.
1208:(Announcement Letter). May 19, 1992. LTR 192-124.
1190:(Announcement Letter). May 19, 1992. LTR 292-260.
1100:(Announcement Letter). May 17, 1983. LTR 283-141.
636:catalog with a more resilient catalog structure.
1148:"MVS/Data Facility Product (MVS/DFP), Version 3"
757:Data migration, backup, and retention attributes
953:5740-XYQ Data Facility Extended Function (DFEF)
395:5740-XYQ Data Facility Extended Function (DFEF)
763:List of storage volumes with common properties
947:DFP replace these products in their entirety
8:
950:5740-AM7 Data Facility Device Support (DFDS)
751:Availability and accessibility requirements
64:Learn how and when to remove these messages
444:Data Facility Storage Management Subsystem
310:Data Facility Storage Management Subsystem
294:Data Facility Storage Management Subsystem
281:Learn how and when to remove this message
263:Learn how and when to remove this message
161:Learn how and when to remove this message
27:Data Facility products for OS/VS1 and MVS
991:Originally called Data Facility Product.
446:for facilities provided by the programs
1013:
924:
370:5740-XE1 MVS/System Extensions (MVS/SE)
943:
941:
199:Please improve this article by adding
7:
589:(DSCBs) and allows a faster search.
373:MVS/SE improves the performance and
99:adding citations to reliable sources
1274:"IBM DFSMS/MVS Version 1 Release 5"
1256:"IBM DFSMS/MVS Version 1 Release 4"
1238:"IBM DFSMS/MVS Version 1 Release 3"
1220:"IBM DFSMS/MVS Version 1 Release 2"
1184:"IBM DFSMS/MVS Version 1 Release 1"
577:The VTOC structure inherited from
25:
1076:"Data Facility Product Release 1"
45:This article has multiple issues.
890:Resource Access Control Facility
804:
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461:Resource Access Control Facility
323:
177:
75:
34:
1342:IBM mainframe operating systems
1094:"MVS/370 Data Facility Product"
875:Hierarchical storage management
86:needs additional citations for
53:or discuss these issues on the
1:
962:5748-UT2 Offline 3800 Utility
420:5748-UT2 Offline 3800 Utility
408:direct access storage devices
304:'s flagship operating system
201:secondary or tertiary sources
680:Partitoned Data Set Extended
439:4 and MVS/ESA SP Version 5.
300:) is a central component of
1300:z/OS 2.5 DFSMS Introduction
1358:
887:
872:
858:
745:Data definition parameters
797:Remote copy and mirroring
1292:"SMS Classes and Groups"
909:Removable Media Manager
587:Data Set Control Blocks
913:automated tape library
775:
694:System Managed Storage
188:relies excessively on
739:
470:(DFSORT) Release 10.0
845:Object Access Method
95:improve this article
793:on a PDSE library.
816:. You can help by
713:. You can help by
659:. You can help by
612:. You can help by
524:. You can help by
482:and service aids.
468:Data Facility Sort
463:(RACF) Release 8.1
335:. You can help by
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573:Indexed VTOC
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478:and several
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