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Date: Mon, 12 May 2003 13:53:18 -0700
From: David Schultz <das@FreeBSD.ORG>
To: Farid Hajji <me@farid-hajji.de>
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Subject: Re: Are snapshots always consistent?
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On Sat, May 10, 2003, Farid Hajji wrote:
> I'm somewhat confused about snapshots.
> 
> Are snapshots (e.g. created with dump -L) supposed to
> be always in a consistent state?

Yes.

> What happens if a snapshot is taken, while background
> fsck is fixing a filesystem?

fsck creates its own snapshot of the filesystem and analyzes the
snapshot, so nothing bad should happen.  fsck's snapshot will show
up as a zero-length file in dump's snapshot.