Re: block level changes at the file system level?

[Lists <lists@xxxxxxxxxxxxxxxxxx>]

On 07/02/2014 12:57 PM, m.roth@xxxxxxxxx wrote:
> I think the buzzword you want is dedup.
dedup works at the file level. Here we're talking about files that are 
highly similar but not identical. I don't want to rewrite an entire file 
that's 99% identical to the new file form, I just want to write a small 
set of changes. I'd use ZFS to keep track of which blocks change over time.

I've been asking around, and it seems this capability doesn't exist 
*anywhere*.

-Ben
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