[nzlug] Backup idea...

[Toby Collett]

Yes,
BackupPC (http://backuppc.sourceforge.net/)

Toby


On 19/12/2007, Clark Mills <c.mills at auckland.ac.nz> wrote:
>
> Hi all.
>
> Before I run off and reinvent the wheel I thought I'd pose my question
> here...
>
> I run lots of servers, and a lot of the content across these different
> servers
> is the same (eg OS).
>
> Is there a backup system out there that creates a signature for files and
> stores
> only one copy of the content of that file on the backup system?
>
> Obviously file metadata will need to be backed up but if I have a file
> called
> linux-2.6.23.tar.bz2 on 20 servers then really I only need to backup one
> copy as
> well as 20x metadata.
>
> This scheme has real value in large count server setups with similar
> installs,
> just like you get with Xen ;).  Also imagine that you mail 20 copies of
> your
> latest movie, linuxHacks.mpg, to all your associates.  Why backup more
> than one
> copy?
>
> Does a project like this exist?
> Are there flaws in my plan?
>
> Thanks...  Clark
>
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