Re: backup of backup or alternating backups?
eben@gmx.us wrote:
>
> I use rdiff to do the backups on the "server" (its job is serving video
> content to the TV box over NFS) and ran into that problem, so what I did was
> write a series of scripts that relinked identical files. It's not perfect,
> I suspect there are still bugs. It tries to be efficient (by not comparing
> files that can't possibly be the same because they have different sizes, or
> are already linked), but it gets the job done. Eventually. Running it
> takes about as long as running the backup in the first place. But hey,
> we're talking about 1 GiB of filespace which might change by 10-20 MiB
> between backups, so not a big deal.
Possibly of interest: Debian package rdfind:
Description: find duplicate files utility
rdfind is a program to find duplicate files and optionally list, delete
them or replace them with symlinks or hard links. It is a command
line program written in c++, which has proven to be pretty quick compared
to its alternatives.
-dsr-
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