Baz,

You don't really need to be too concerned about backing up files that are
already stored on S3.  Those files are thoroughly replicated on Amazon's
end.  For an added measure of security, you could duplicate your files from
S3 to some other cloud storage service (i.e. cloudfiles), but it would
probably be more trouble and cost than it's worth.

- Matt Buck

On Thu, Jan 7, 2010 at 9:24 AM, Baz <[email protected]> wrote:

> I'm considering using Heroku for a new app that I'm working on - but
> I'm not too sure about backups.
>
> I can grab a bundle every night, or use this:
> http://nickmerwin.com/easily-backup-your-heroku-database-to-s3 just to
> grab the database (as I've already got my code stored in source
> control so I may as well save on bandwidth).
>
> But what about files that my app has uploaded to S3?
>
> My other apps (on traditional VPSes) have backup routines that put the
> backups onto S3 - so I have two copies of everything (one on the VPS
> and one on S3).  But this app, because of the filesystem will need to
> push stuff onto S3 straight away - so I'll only have a single copy.
> Is that safe?  I can't find much detail about what Amazon will do in
> the case of a disaster.
>
> Also - my app will have a warning stating that you should keep your
> own copies of these files but no-one ever reads warnings, so it's best
> to ask the question I feel.
>
> Cheers
>
> Baz.
>
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