Date: Sun, 2 Feb 2003 11:18:06 -0800 From: Brent Kearney <brent@kearneys.ca> To: questions@freebsd.org Subject: Re: filesystem disappeared following 4.2 -> 4.7 upgrade Message-ID: <20030202191806.GA14696@kearneys.ca> In-Reply-To: <20030202185916.GA14615@kearneys.ca> References: <20030202185009.GA14514@kearneys.ca> <20030202185916.GA14615@kearneys.ca>
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On Sun, Feb 02, 2003 at 10:59:16AM -0800, Brent Kearney wrote:
> 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.
OK, another update: fdisk identifies this disk as such:
Disk name: ad5 FDISK Partition Editor
DISK Geometry: 7476 cyls/255 heads/63 sectors = 120101940 sectors (58643MB)
Offset Size(ST) End Name PType Desc Subtype Flags
0 63 62 - 6 unused 0
63 120101877 120101939 ad5s1 3 freebsd 165 C
120101940 1260 120103199 - 6 unused 0
---
After looking closer at disklabel, I see that it has selected the one and only
partition on the disk:
Disk: ad5 Partition name: ad5s1 Free: 120101877 blocks (58643MB)
But still sees no filesystems. If I do `ls -l /dev/ad5*`, I get only:
crw-r----- 1 root wheel 116, 0x0001002a Feb 2 02:11 /dev/ad5
No /dev/ad5s1, etc., and `mount /dev/ad5s1 /home` produces only:
mount: /dev/ad5s1: No such file or directory
Do I need to make device nodes for the ad5s1 partition? I'm not sure how,
if so.
Thanks,
Brent
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