*BSD News Article 38808


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From: mikebo@MCS.COM (Michael Borowiec)
Newsgroups: comp.os.386bsd.questions
Subject: Re: Are FreeBSD 1.1.5.1 and 2.0 ufs filesystems compatible?
Date: 2 Dec 1994 11:12:44 -0600
Organization: MCSnet, Chicago Area Public Internet Access
Lines: 31
Message-ID: <3bnkic$ktm@Mars.mcs.com>
References: <3blt5d$sui@shore.shore.net> <JKH.94Dec2160214@whisker.hubbard.ie>
NNTP-Posting-Host: mars.mcs.com

In article <JKH.94Dec2160214@whisker.hubbard.ie>,
Jordan K. Hubbard <jkh@whisker.hubbard.ie> wrote:
>In article <3blt5d$sui@shore.shore.net> witr@rwwa.com (Robert Withrow) writes:
>
>   Ca I just use my 1.1.5.1 file systems on 2.0, and my 2.0 filesystems
>   on 1.1.5.1, or is that a no-no.
>
>1.1.5.1 -> 2.0  Yes.  2.0 -> 1.1.5.1 no.  Forward-compatibility is
>always a neat trick, but generally impossible.. :-)
>
>   If it is a no-no, how do I convert my 5 disks from one to the other?
>
>You can convert your 1.x filesystems to 2.0 with `fsck -c2'
>
But in some article or another, Garrett A. Wollman wrote:
> fsck -c2 /dev/device # convert to version 2
> fsck -c1 /dev/device # convert to version 1 - untested
> 
> However, this is an extremely invasive operation, and we don't take
> any responsibility for fsck screwing up your data in the process.

Does "fsck -c2" work as advertised or not? I have gigabytes of stuff
on 1.1.5.1 filesystems. If I can avoid backup, newfs, restore self-
flagellation I would really appreciate it!
- Mike
-- 
--------------------------------------------------------------------------
Michael Borowiec			All tied to their things,
mikebo@MCS.COM				they are netted by the strings...
					Free to flutter, in memory of
					their wasted wings...  P.Gabriel