[Mageia-dev] Mirror layout, round two

Mon Nov 29 01:45:35 CET 2010

* Renaud MICHEL (r.h.michel+mageia at gmail.com) wrote:
+> On samedi 27 novembre 2010 at 00:02, Maarten Vanraes wrote :
+> If the files are identical, they can be hard linked, and then the mirrors 
+> updates them with rsync -aH.
+> (by the way, the readme already ask for those options
+> http://distrib-coffee.ipsl.jussieu.fr/pub/linux/Mageia/mirror.readme )
+> It is quite easy to make a script that will make those hard links "à 
+> posteriori" (you only need to compare files with identical names)
+
+If you compare only the filename you'll probably link different file. To
+do this you need at least to compare also the size.
+But even if you take into account the size nothing warranty file are
+really the same. Think to md5sum files, an md5 has fixed size and
+filename will probably also have same lenght.
+
+I did a script to do this, this script check the md5 of
+files before linking them to avoid mistake.
+
+BTW: I am not sure rsync fix hard link afterward.
+
+-- 
+
+Olivier Thauvin
+CNRS  -  LATMOS
+♖ ♘ ♗ ♕ ♔ ♗ ♘ ♖
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