On 29 April 2014 05:30, YES NOPE9 <yes@nope9.com> wrote:

> My question has to do with preventing slow deterioration of the data
> stored.  I apologize if this has been discussed and I missed it.
>
> There are many ways to keep multiple copies of important data.  How does
> one insure that the data has not been corrupted and you are merely
> continuing to backup corrupt data.  This may be data you do not look at f=
or
> years.  Is there a file system that manages data integrity with some form
> of checksum ?  ( I mean checksum in the generic sense which could include
> polynomials , etc. )
>
> ZFS does this

http://en.wikipedia.org/wiki/ZFS

Matt
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