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To: Bernard Dugas <bernard@dugas-family.org>
References: <4947B8AB.7000304@dugas-family.org>
From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: Tue, 16 Dec 2008 15:36:20 -0500
In-Reply-To: <4947B8AB.7000304@dugas-family.org> (Bernard Dugas's message of
	"Tue\, 16 Dec 2008 15\:18\:19 +0100")
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Cc: freebsd-questions@freebsd.org
Subject: Re: Extracting changed files list from snapshot
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Bernard Dugas <bernard@dugas-family.org> writes:

> I want to extract the list of files changed between 2 snapshots, to be
> able to do efficient backups.
>
> Any idea where to find a document about snapshots internal structure ?
>
> Or if you know any port that already do this :-?

An easier way would be to generate an mtree(1) description for each
snapshot, and using that to compare against other snapshots.  You have
to mount the snapshot for that, though...

-- 
Lowell Gilbert, embedded/networking software engineer, Boston area
		http://be-well.ilk.org/~lowell/