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Date: Thu, 17 May 2012 18:03:26 +0200
From: Matthias Petermann <matthias@d2ux.net>
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Cc: Mike Clarke <jmc-freebsd2@milibyte.co.uk>, matthew@FreeBSD.org
Subject: Re: Filesystem dump incremental?
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Thanks Mike and Matthew,

the -u switch was what I missed. It now works fine.

Regards,
Matthias

On 17.05.2012 13:52, Mike Clarke wrote:
> On Thursday 17 May 2012, Matthias Petermann wrote:
>
>> dump -a -1 -f /mnt/da0/backup-compaq.1.dump /
> Try a new full backup with
>
>       dump -0aLuf /mnt/da0/backup-compaq.1.dump /
>
> then for the incremental use
>
>       dump -1aLuf /mnt/da0/backup-compaq.1.dump /
>
> The option you're missing is "u", but "L" is worth using as well when
> you're backing up a mounted filesystem.
>
> You could hack the contents of /etc/dumpdates to avoid having to repeat
> the level zero dump if you know the date and time when the original one
> was started.
>