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Date:      Wed, 2 Mar 2011 22:56:45 +0100
From:      Polytropon <freebsd@edvax.de>
To:        Ed Flecko <edflecko@gmail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Fastest way to get an entire FBSD system back online?
Message-ID:  <20110302225645.9a532763.freebsd@edvax.de>
In-Reply-To: <AANLkTinMnV5qVYzeEPQN7i6u7AUZZ-ewEaudBp3LmTk-@mail.gmail.com>
References:  <AANLkTinMnV5qVYzeEPQN7i6u7AUZZ-ewEaudBp3LmTk-@mail.gmail.com>

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On Wed, 2 Mar 2011 13:50:19 -0800, Ed Flecko <edflecko@gmail.com> wrote:
> Is there something similar in the FBSD arena?...some form of "backing
> up" a server so that if a drive fails, upon replacement of the
> drive(s), the OS can be very quickly recovered from a backup (of some
> sort), or from an image, etc.?
> 
> What options are available??? Suggestions???

Other than mirroring techniques, the standard UNIX tools
for dumping and restoring systems partition-wise are
the dump and restore programs. There's a section in the
handbook about how to use them.

Another method is to use dd to make 1:1 copies of disks,
which usually works, but is not very "fine". :-)

I would go with dump/restore and have a custom-made
installer script handy which is executed after booting
the system (e. g. from CD, USB or LAN): It slices,
partitions and newfses the disks, applies labels if
needed, and restores from the .dump files as intended.
This is "fast enough" as it is a very safe solution.




-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...



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