FILE SYSTEM CHANGES IN OpenVMS V8.4

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Outline– What is a symlink– Symlinks on OpenVMS– V8.3 Limitations and V8.4 Solutions• Programming Interface• Metadata– Compatibility Between V8.3 and V8.422© Copyright 2010 Hewlett-Packard Development Company, L.P.
About symlinks– Symbolic link, symlink, soft link– Pointer to a target object– Target object: file name, directory name, arbitrary string– On OpenVMS, a symlink is implemented as a separate file• The file contains the target string– On UNIX, a symlink is not a file at all, but only a directory entry• The entry contains the symlink name and target string– Supported by most Unix-like operating systems, Windows, … and ofcourse, OpenVMS23© Copyright 2010 Hewlett-Packard Development Company, L.P.
Page 1: FILE SYSTEM CHANGES INOpenVMS V8.4S
Page 7 and 8: V8.4 Solution: Use new [NO]DATA key
Page 9 and 10: V8.3 Limitations and V8.4 Solutions
Page 11 and 12: V8.3 limitations and V8.4 Solutions
Page 13 and 14: V8.4: Now we can…-Free-up „oran
Page 15 and 16: 2 TB support15© Copyright 2010 Hew
Page 17 and 18: V8.4: 2TB volumes- Device drivers a
Page 19 and 20: 2 TB on older VMS version- Older VM
Page 21: SYMLINKENHANCEMENTS21© Copyright 2
Page 25 and 26: Symlinks on OpenVMS- Available star
Page 27 and 28: Symlinks on OpenVMS27© Copyright 2
Page 29 and 30: Symlink file attributes$ dir /full
Page 31 and 32: V8.3 symlink limitations•Implemen
Page 33 and 34: Programming interface changes- No c
Page 35 and 36: V8.3 Metadata limitation•No symli
Page 37 and 38: V8.3 False AUDIT ALARM- Only File H
Page 39 and 40: COMPATIBILITY: V8.3, V8.4 SYMLINKSA
Page 41 and 42: RMS: SYMLINKS AS LOGICAL NAMES- Tra
Page 43 and 44: RMS: SYMLINKS WILDCARD CONTROL- In

FILE SYSTEM CHANGES IN OpenVMS V8.4

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