Removing UFS label from root

[Kevin Oberman]

On Sun, Sep 9, 2012 at 8:00 PM, Warren Block <wblock at wonkity.com> wrote:
> On Sun, 9 Sep 2012, Kevin Oberman wrote:
>
>> On Sun, Sep 9, 2012 at 6:49 PM, Warren Block <wblock at wonkity.com> wrote:
>>>
>>> On Sun, 9 Sep 2012, Warren Block wrote:
>>>
>>>> On Sun, 9 Sep 2012, Kevin Oberman wrote:
>>>>
>>>>> I added a label to my root fs some time ago. I really prefer the gpt
>>>>> label and I have added it, but I can't figure out how to remove the
>>>>> ufs label.
>>>>>
>>>>> I boot single user and run 'tunefs -L "" /dev/ada1p2' but I get an
>>>>> "unable to write superblock" error. This is before mounting the drive
>>>>> RW, but it is, of course, mounted RO.
>>>>
>>>>
>>>>
>>>> This worked in a VM when I tested it just now.  Maybe running fsck on
>>>> that
>>>> filesystem first will help.
>>
>>
>> Already tried that.
>>
>> I know I was able to label it originally, so it does seem like
>> something must have changed, but I don't know what. I did use gpart to
>> expand my /usr partition and then used growfs to expand the FS, but I
>> did nothing to root and I was able to remove the labels on all of the
>> other partitions.
>
>
> Might there be a duplicate filesystem label of "root" on ada0 or another
> disk?

No joy. I checked all ufs partitions and none are "root" except for
/dev/ada1p2. All partitions on ada0 are ntfs. (It's my Windows disk.)

But, thanks for trying, Warren. I appreciate it.
-- 
R. Kevin Oberman, Network Engineer
E-mail: kob6558 at gmail.com