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Date: Fri, 24 May 2013 21:22:23 +0200
From: Joerg Wunsch <j@uriah.heep.sax.de>
To: freebsd-sparc64@freebsd.org
Subject: Re: disk block failing on root disk on sun blade 1000
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As fddi wrote:

> so my question is how can I backup the rootfs and restore it with its 
> boot block when I replace the root disk partition with a brand new disk ?

sunlabel da0 > /tmp/label
sunlabel -Bw da1 /tmp/label

should work, IMHO.

Afterwards, create and mount the filesystem, and dump | restore.
-- 
cheers, Joerg               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/
Never trust an operating system you don't have sources for. ;-)