Re: [Duplicity-talk] Feature suggestion: Forward error correction

[Kenneth Loafman]

Peter Schuller wrote:
> Hello,
> 
> I am just going to go ahead and suggest the feature, since I have to admit I 
> probably will not get to it myself even though I would like to.
> 
> I am continuously paranoid about random bitflips and other forms of 
> corruption. Especially when the effect of a single bitflip can have a large 
> impact (consider e.g., backup up rdiff-backup directories with duplicity; a 
> bitflip in the wrong place and the whole archive is suddenly unusable by 
> rdiff-backup).
> 
> It would be nice to apply some forward error correction to the backups. This 
> seems like something very practical too given that duplicity already backs up 
> in terms of volumes of sufficient size to make the use of existing tools such 
> as par2 usable.
> 
> In the case of par2, duplicity could use par2 and upload the par2 files along 
> with each volume and support using it during extraction in the event of 
> broken volumes (and perhaps checking during a verification).

I'm looking into this for the future.

...Ken

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