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Date:      Sun, 2 Feb 2003 10:59:16 -0800
From:      Brent Kearney <brent@kearneys.ca>
To:        questions@freebsd.org
Subject:   Re: filesystem disappeared following 4.2 -> 4.7 upgrade
Message-ID:  <20030202185916.GA14615@kearneys.ca>
In-Reply-To: <20030202185009.GA14514@kearneys.ca>
References:  <20030202185009.GA14514@kearneys.ca>

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On Sun, Feb 02, 2003 at 10:50:09AM -0800, Brent Kearney wrote:
> 
> Hello,
> 
> I recently updated a system running freebsd 4.2 to 4.7.  I realize
> that there is new ATA code in 4.7.  This system is on a SCSI disk,
> but /home is on a large IDE drive.  
> 
> Following a 'make installkernel', I rebooted to single user mode, ran
> installworld, then did mergemaster.  I let mergemaster run the new
> '/dev/MAKEDEV all'.
> 
> The 4.2 system called my /home partition /dev/ad0s1e; during boot up 
> of 4.7, I see that the disk is recognized, but is called "ad5" instead 
> of "ad0".  I haven't changed the hardware at all, btw.  However, there 
> appears to be no /dev/ad5s1e, and furthermore, when I run the disklabel 
> editor, it tells me that there is no filesystem on /dev/ad5.  If I 
> reboot to the old 4.2 kernel, somewhat problematically, I can mount 
> /dev/ad0s1e, and access my files.
> 
> The UPDATING file mentioned the new ata code, but didn't say anything
> about the need to re-create filesystems; I must be missing something.
> 

I should also mention that softupdates is enabled on my old
/dev/ad0s1e, though I don't know whether that is relevant.

Brent



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