ZFS (z/OS file system): Difference between revisions
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Revision as of 20:02, 4 January 2021
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| Developer(s) | IBM |
|---|---|
| Full name | z/OS File System |
| Introduced | 1995 with DCE DFS Local File System for MVS/ESA V5R2.2 |
| Other | |
| Supported operating systems | z/OS (all releases), OS/390 (all releases), MVS/ESA V5R2.2 |
z/OS File System (zFS) is a POSIX-style hierarchical file system for IBM's z/OS operating system for z System mainframes, a successor to that operating system's HFS.[1]
zFS technology was first released in 1995 as the Local File System, a lower layer of the DCE Distributed File System. It was available on MVS/ESA V5R2.2 and all OS/390 releases. DFS/LFS was provided as a part of the DCE feature, not part of the base operating system.
As a separate feature (outside the DCE feature), zFS was initially released for z/OS as PTFs (patches) for z/OS 1.2, with backports available for z/OS 1.1 and OS/390 2.10. Beginning with z/OS 1.3, zFS is included as a standard feature and is being actively developed.
References
- ^ "Hierarchical File System" (PDF). Archived from the original (PDF) on 2004-09-06. Retrieved 2016-05-12.
External links
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