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ras NEWS: History of user-visible changes to ras
Version 1.03
* Change to author's email address
Version 1.02
* Fixed crash on systems where sizeof(size_t) > sizeof(int). (Thanks to
Falk Hueffner for patch.) This bug was specific to version 1.01.
Version 1.01
* Added manpages for rassplit and rasmerge (Thanks to Falk Hueffner).
Version 1.00
* Algorithm completely changed, with the following consequences (some
good, some bad):
+ 0.4% sumfile size overhead eliminated, the sumfiles can now be
exactly the same size as the segfiles.
+ Efficiency improved, now runs almost twice as fast as it used to.
+ There is nolonger any danger of failure due to linear dependency
- There is now an absolute limit of 256 on segcount+sumcount
- There is no compatibility between this version and sumfiles
generated with version 0.90.
* Added -z option to tweak blocksize for file reads and writes.
* Configuration is now all via GNU configure, there's no need to edit
the makefile any more.
Version 0.90
This was the first published version, description:
Ras is a program that adds m extra files to a set of n files, such that
the contents of the n original files can, in most cases, be regenerated
from any n of the n+m original files and extra files. The extra files
will all be about 0.4 percent larger then the largest of the original
files. There may not be more than 256 original files, and to be sure of
avoiding problems ras must be able to have twice as many open files as
there are original files, which adds a further limitation on some systems.
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