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Date:      Fri, 11 Mar 2005 17:30:38 -0300
From:      Alejandro Pulver <alejandro@varnet.biz>
To:        "Freek Nossin" <freeknossin@tiscali.nl>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: format slice
Message-ID:  <20050311173038.464be084@ale.varnet.bsd>
In-Reply-To: <20050311201636.63DA98011702@smtp-out3.tiscali.nl>
References:  <200503111959.j2BJxsV04066@clunix.cl.msu.edu> <20050311201636.63DA98011702@smtp-out3.tiscali.nl>

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On Fri, 11 Mar 2005 21:16:49 +0100
"Freek Nossin" <freeknossin@tiscali.nl> wrote:

> > -----Original Message-----
> > From: Jerry McAllister [mailto:jerrymc@clunix.cl.msu.edu]
> > Sent: vrijdag 11 maart 2005 21:00
> > To: Freek Nossin
> > Cc: freebsd-questions@freebsd.org; alejandro@varnet.biz
> > Subject: Re: format slice
> > 
> > >
> > > Thank you for your suggestions, I followed them and this is what
> > happened:
> > >
> > > pcwin451# fdisk -s
> > > /dev/ad0: 39704 cyl 16 hd 63 sec
> > > Part        Start        Size Type Flags
> > >    1:          63    20820177 0x07 0x00
> > >    2:    20820240    19201392 0xa5 0x80
> > >
> > > Part 1 is the one I want to convert to a freebsd slice.
> > >
> > > Now I used fdisk -f <file> with the input
> > >
> > > p 1 0 0 0
> > >
> > > the operation succeeded. I did again:
> > >
> > > pcwin451# fdisk -s
> > > /dev/ad0: 39704 cyl 16 hd 63 sec
> > > Part        Start        Size Type Flags
> > >    2:    20820240    19201392 0xa5 0x80
> > >
> > > And this was indeed the output I expected. So I thought lets see
> > > what sysinstall thinks of all this. Selecting fdisk in the menu
> > > showed me a
> > disk
> > > layout where the NTFS partition still was on the disk.
> > >
> > > Disk name:      ad0                                    FDISK
> > > Partition Editor
> > > DISK Geometry:  39704 cyls/16 heads/63 sectors = 40021632 sectors
> > (19541MB)
> > >
> > > Offset       Size(ST)        End     Name  PType       Desc 
> > > Subtype Flags
> > >
> > >          0         63         62        -     12     unused       
> > >          0
> > >
> > >         63   20820177   20820239    ad0s1      4 NTFS/HPFS/QNX    
> > >            7
> > >   20820240   19201392   40021631    ad0s2      8    freebsd     
> > >   165
> > >
> > >
> > > How can this be? I've always assumed that sysinstall uses the
> > > fdisk
> > tool?
> > > And which one is "correct"? Is it wise to try creating a new slice
> > > with fdisk?
> > 
> > Well, is one of them reading only the in-memory label and the other
> > reading the label on the disk?    When you did the fdisk, did you
> > make sure it changed on disk.  Then, did the in-memory label get
> > updated?
> > 
> > ////jerry
> 
> 
> /stand/sysinstall would be the one that read the in-memory label. The
> other way around seems impossible to me. But then how can these two be
> different? I did close /stand/sysinstall and restarted. The in memory
> one *should* be updated right? If this wasn't the case than it seems
> to me like bug in sysinstall, or more likely, freebsd itself. 
> Normally I should simply try rebooting the system and all ambiguities
> should be solved. The problem is I'm working remote and rebooting is
> kind of a risk. 
> 
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Hello,

I do not know about that, but I think the best option is to do the
procedure manually, as indicated by Jerry.

Best Regards,
Ale



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