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Date:      Thu, 17 May 2007 12:38:37 -0500
From:      Paul Schmehl <>
To:        FreeBSD Questions <>
Subject:   Re: Best remote backup method?
Message-ID:  <>
In-Reply-To: <>
References:  <> <> <> <20070517085201.73e347b3@localhost> <>

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--On Thursday, May 17, 2007 11:30:00 +0200 Peter Schuller=20
<> wrote:

>> Also, dump/restore allows you to use snapshots on a live filesystem (I
>> would test it properly on a large FS with heavy activity).
> But it's worth pointing out that this is fully possibly with any backup
> tool - just run mksnap_ffs and backup a mounted snapshot. I do this with
> rdiff-backup for example.
>> Now, if you are worried about "backing up the whole filesystem"...well,
>> just tell dump not to dump it :)
>> man chflags (in particular, the nodump flag)
>> man dump (in particular, -h )
> The problem with this is for me two-fold:
> (1) It's a global property. I can't take different backups that
> include/exclude different things.
> (2) I can't easily express "backup /usr/var/db/my-important-database"
> without seting "nodump" on a bunch of stuff except that. In other words,
> I want exclude by default, while dump and the chflags system provides
> include by default.
> That said I do like dump's integration with snapshots and overall
> coherent feeling. If backup diskspace and bandwidth was not a concern
> I'd use it.

I want to thank everyone who contributed to this thread.  You've given me a =

great deal to think about.  I'll be reading over the responses again,=20
carefully, and decide what I think the best answer is.

Paul Schmehl (
Senior Information Security Analyst
The University of Texas at Dallas


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