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Date:      Mon, 19 Jan 2015 11:08:51 -0800
From:      Michael Sierchio <kudzu@tenebras.com>
To:        Chris Maness <chris@chrismaness.com>
Cc:        "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject:   Re: Dump/Restore for system migration
Message-ID:  <CAHu1Y71VxMtj8TKrnmZYOay0KKvEtAum5mwi+eSDad4vUMZLrw@mail.gmail.com>
In-Reply-To: <CANnsUMESEWsEXyyKwqyrnTMiEEYuExTgD0Z4NBuJF0cYSWDChQ@mail.gmail.com>
References:  <CANnsUMESEWsEXyyKwqyrnTMiEEYuExTgD0Z4NBuJF0cYSWDChQ@mail.gmail.com>

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If you're using a filesystem that supports snapshots, do the dump against
the snapshot, or use dump with the -L option, to indicate that you're
taking a dump of a live filesystem.

- M

On Mon, Jan 19, 2015 at 10:50 AM, Chris Maness <chris@chrismaness.com>
wrote:

> I have used dump/restore for system migration a couple of time and noticed
> it is pretty good, but every once in a while it will miss or corrupt a
> file.  Is there a better way to do this?  I would imagine having a system
> mounted r/o would help, but this is not always possible.  Is there a way to
> check the deltas between systems manually after migration to see if any
> files need to be merged or copied.  I would imagine the files that are in
> jeopardy are ones that are being written to while the dump is taking
> place.  I had a file the keeps track of rss feeds end up missing on the
> target system.
>
> Any advice here?
>
> Thanks,
> Chris
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