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Date:      Mon, 15 Oct 2001 17:58:18 -0500
From:      Mike Meyer <mwm@mired.org>
To:        "Jud Fink" <jud_marc@hotmail.com>
Cc:        questions@freebsd.org
Subject:   Re: Dump/Restore Question
Message-ID:  <15307.27146.459481.800300@guru.mired.org>
In-Reply-To: <11097504@toto.iv>

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Jud Fink <jud_marc@hotmail.com> types:
> My understanding/experience of FreeBSD is limited.  I've never done 
> dump/restore before, and I don't understand this from the restore man page:
> 
> "A level zero dump must be done after a full restore.  Because restore runs 
> in user code, it has no control over inode allocation; thus a full dump must 
> be done to get a new set of directories reflecting the new inode numbering, 
> even though the contents of the files is unchanged."

What this means is that partial dumps done after the full restore will
be screwed up. Whether other backup tools will be screwed up depend on
the tool, but I suspect the answer is yes for all of them, as it's
really hard to do backups properly without worrying about inode
numbers.

> Should I run another dump after restoring to the main HD?  Dump from where 
> to where?

You should pretend that you no longer have valid backups, and make
complete backups just like you would under those conditions. If you
don't make backups, then don't worry about it, just keep on worrying
about disk failures.

	<mike
--
Mike Meyer <mwm@mired.org>			http://www.mired.org/home/mwm/
Q: How do you make the gods laugh?		A: Tell them your plans.

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