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To: Sergei Vyshenski <fbsd-4@pn.sinp.msu.ru>
References: <5.1.0.14.2.20030916022212.00a712a8@vivaldi.pn.sinp.msu.ru>
From: Lowell Gilbert <freebsd-questions-local@be-well.no-ip.com>
Date: 15 Sep 2003 19:53:29 -0400
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Subject: Re: ufs --> ufs2 w/o data loss?
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Sergei Vyshenski <fbsd-4@pn.sinp.msu.ru> writes:

> Is it possible to upgrade ufs filesystem to 
> ufs2 without data loss?

It's not possible to upgrade at all.  You need to build a whole new
filesystem from scratch.

This *does* mean you will need to backup first, and restore after
building the new filesystem.