--hard-links performance

Wayne Davison wayned at samba.org
Sat Jul 14 22:49:10 GMT 2007

On Sat, Jul 14, 2007 at 02:47:24PM -0400, George Georgalis wrote:
> I'm planning
> to run *some*sort*of*dupmerge*, individually on ./1 ./2 ./3
> each time they get updated. this is to address multiple users
> downloading the same source etc. ie files not necessarily in
> adjacent snapshots but space can be recovered by hardlinking
> various weekly snapshots.

I'd recommend looking at BackupPC (which is linked from the resources
page).  It stores the attributes of files separately from the files
themselves so that it can group together all the files that have the
same checksum.  It uses rsync on the sending side.


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