Re: Any protection against 'bit rot' ?

[Andy <tarsnap-users@orgdotuk.org.uk>]

Actually, to (I think) answer my own question partly, to quote from
here - http://www.daemonology.net/blog/2008-11-10-tarsnap-public-beta.html
:

> A 2048-bit RSA key used for signing archives. This is used in combination with SHA256 and a Merkle hash tree to verify the authenticity of stored archives.

So presumably any time an archive is accessed, corruption could be
detected - but corrected?

Andy

On 23 November 2010 10:35, Andy <tarsnap-users@orgdotuk.org.uk> wrote:
> Hello all.
>
> Sorry if this is answered on a FAQ, or has been raised on the list
> before.  Tarsnap's moto is "Online backups for the truly paranoid", so
> today I've got my paranoid hat on.  I am building a home NAS and am
> trying to keep its data as safe as possible from silent corruption aka
> 'bit rot' - it has ECC RAM, and data will live on ZFS.  I would like
> to have the same warm feeling about the data that I send for off-site
> backup.  What protection does tarsnap have against this kind of data
> loss?
>
> Many thanks    Andy
>