Problems with upgrade - lost partition

Lokadamus lokadamus at
Mon Sep 20 17:39:09 UTC 2010

  Under vmware both disk are online?
Show dmesg something about the lost disk?
Show "atacontrol list" your second hdd?

When you use a generic kernel "freebsd-update upgrade -r 8.1-RELEASE" 
will work fine, i think.

Am 18.09.2010 22:58, schrieb Peter Boosten:
> Ping...
> -- HTTP://
> On 27 aug 2010, at 11:19, Peter Boosten <peter at> wrote:
>> Hi,
>> I recently updated a machine (running on VMWare) from 7.2 to 8.1.
>> This machine has two (virtual) disks. While the upgrade went rather
>> smooth ('make buildworld, make buildkernel, make installkernel, reboot
>> into single user, mergemaster -p, make installworld, mergemaster,
>> reboot), I lost the partition on the second harddrive.
>> So after reboot, the machine went directly in single user mode, because
>> my /dev/ad1s1a was gone. The only devices in /dev where ad1 (the disk)
>> and ad1s1 (the slice).
>> Since I had a backup this didn't seem to be such a problem, however
>> recreating the slice was.
>> The only way I could get rid of that slice was through the gpart utility
>> (sysinstall wouldn't help me at all):
>> gpart delete ad1s1
>> gpart destroy ad1
>> After that sysinstall worked again. Is there any way around this (and
>> preferably rescue the partition somehow, since I have more machines to
>> upgrade, and while backups are there, restoring creates an additional
>> delay in the whole process).
>> Also, the numbering of the NICs changed from le0 to le1, which isn't
>> that a big problem, but rather annoying.
>> Thanks in advance.
>> Peter
>> -- 
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