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Date:      Thu, 09 Jun 2011 21:15:04 +0200
From:      Dan Carroll <fbsd@dannysplace.net>
To:        freebsd-fs@freebsd.org
Subject:   Getting access to checksums.
Message-ID:  <4DF11BB8.5030805@dannysplace.net>

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I'm currently working on a system that monitors file changes.
I'd like to calculate the checksums on each file both to see if a change 
has occured as well as looking for duplicate files.

I'm not sure what algorithm I'll end up using but I was wondering if it 
was possible to get access to ZFS' checksumming?
Does it happen on a file level or is it block level only?  And if it 
does, is there an easy way to obtain this information from the system?

-D



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