Re: No valid root disk found when upgrading

On 2022-04-21, Stuart Henderson <stu.lists@spacehopper.org> wrote:
>> upgrade# cd /dev; sh MAKEDEV sd0
>> upgrade# mount -t ffs -r /dev/sd0a /mnt
>> upgrade# ls /mnt
>> .cshrc bsd dev sbin
>> .profile bsd.booted etc sys
>> altroot bsd.rd home tmp
>> auto_upgrade.conf bsd.sp mailwrapper.core usr
>> bin bsd.upgrade root var
>> upgrade# df -h
>> Filesystem Size Used Avail Capacity Mounted on
>> /dev/rd0a 3.5M 3.0M 451K 87% /
>> /dev/sd0a 3.9G 677M 3.0G 18% /mnt
>>
>>> it's worth seeing what "sysctl hw.disknames" says too
>> upgrade# sysctl hw.disknames
>> hw.disknames=sd0:dc999ef6267325df,rd0:a8c7c8e3bbaa0da7
>
> That looks sane too..

Oh I didn't look close enough. You are missing /mnt. mkdir it and
that shoukd fix the problem.