[erlang-questions] disk merging

Dale Harvey <>
Thu Oct 25 23:25:38 CEST 2007


I actually read a recent article on planet erlang about locating duplicate
files
that has some information that might help

http://planeterlang.org/story.php?title=Writing_a_duplicate_file_finder_in_Erlang

On 25/10/2007, Linan Wang <> wrote:
>
> Interesting problem.
> It appears to me like a svn/cvs/git related problem. I think the core
> is to merge indices. Have a look at git, in my memory it has such kind
> of function.
> Hopefully Time Machine will solve this kind of problems.
>
> On 25/10/2007, Joe Armstrong <> wrote:
> > I have an interesting? problem.
> >
> > Over the last ? years (> 10) I have been upgrading my home system
> > this usually involved buying a bigger disk and copying most (or all)
> > of the files
> > from the old disk to the new disk or disks.
> >
> > I've also been backing up the family photos etc on USB disks.
> >
> > Now I have > 1 Tera bytes of files spread over c. 10 computers and
> > 3 pluggable USB disks. Having made a "backup" both the original and the
> > copy live lives of their own.
> >
> > Does anybody know of a good algorithm to consolidate/merge all this
> > data or do I have
> > to write my own? One immediate thought is to compute the MD5 sums of
> > all files on all
> > disk and thus find all duplicates - then create a master copy of all
> > unique files
> > but the file names will be wrong and this might result in a big mess.
> >
> > This cannot be an uncommon problem - any ideas how to solve it?
> >
> > /Joe
> > _______________________________________________
> > erlang-questions mailing list
> > 
> > http://www.erlang.org/mailman/listinfo/erlang-questions
> >
>
>
> --
> Best regards
>
> Linan Wang
> _______________________________________________
> erlang-questions mailing list
> 
> http://www.erlang.org/mailman/listinfo/erlang-questions
>



-- 
http://arandomurl.com/
http://www.flickr.com/photos/daleharvey/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://erlang.org/pipermail/erlang-questions/attachments/20071025/4f450c34/attachment.html>


More information about the erlang-questions mailing list