Virtual Storage Access Method: Difference between revisions
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Virtual Storage Access Method (VSAM) is a DASD file storage access method, used in following IBM operating systems: | Virtual Storage Access Method (VSAM) is a DASD file storage access method, used in following IBM operating systems: | ||
*DOS/VS | |||
*OS/VS1 | *OS/VS1 | ||
*OS/VS2 Release 1 (SVS) | *OS/VS2 Release 1 (SVS) | ||
*OS/VS2 Release 2 ([[MVS]]) | *OS/VS2 Release 2 ([[MVS]]) | ||
In [[VM/370]] the CMS/VSAM support is based on DOS/VS. | |||
==Data Set Organizations== | ==Data Set Organizations== | ||
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==Publications== | ==Publications== | ||
*G320-5774-0 - VSAM Primer and Reference | |||
*Doug Lowe: ''VSAM Access Method Services and Application Programming'' - Mike Murach & Associates 1986, ISBN 0-911625-33-X | *Doug Lowe: ''VSAM Access Method Services and Application Programming'' - Mike Murach & Associates 1986, ISBN 0-911625-33-X | ||
*James Martin: ''VSAM: Access Method Services and Programming Techniques'' - 1987, ISBN 0-13-944174-3 | *James Martin: ''VSAM: Access Method Services and Programming Techniques'' - 1987, ISBN 0-13-944174-3 | ||
Latest revision as of 17:02, 2 January 2019
Virtual Storage Access Method (VSAM) is a DASD file storage access method, used in following IBM operating systems:
- DOS/VS
- OS/VS1
- OS/VS2 Release 1 (SVS)
- OS/VS2 Release 2 (MVS)
In VM/370 the CMS/VSAM support is based on DOS/VS.
Data Set Organizations
- Key Sequenced Data Set (KSDS) - similar to Indexed Sequential Access Method (ISAM) dataset
- Relative Record Data Set (RRDS) - similar to Basic Direct Access Method (BDAM) datasets
- Entry Sequenced Data Set (ESDS) - similar to Basic Sequential Access Methid (BSAM) or Queued Sequential Access Method (QSAM) datasets
- Linear Data Set (LDS)
Publications
- G320-5774-0 - VSAM Primer and Reference
- Doug Lowe: VSAM Access Method Services and Application Programming - Mike Murach & Associates 1986, ISBN 0-911625-33-X
- James Martin: VSAM: Access Method Services and Programming Techniques - 1987, ISBN 0-13-944174-3
- Jay Ranade: VSAM Performance, Design, and Fine Tuning - Macmillan 1987, ISBN 0-02-948631-9
- Jay Ranade: VSAM Performance, Design, and Fine Tuning 2nd Edition - McGraw-Hill 1989 - ISBN 0-07-051245-0
- SG24-6105-02 VSAM Demystified (Mar 2013)