On Jul 16, 2013, at 3:01 PM, Warren Block wrote:
> On Tue, 16 Jul 2013, aurfalien wrote:
>
>>
>> On Jul 16, 2013, at 1:50 PM, Michael Sierchio wrote:
>>
>>> On Tue, Jul 16, 2013 at 1:44 PM, aurfalien <aurfal...@gmail.com> wrote:
>>>
>>>> Upon doing;
>>>>
>>>> gpart destroy da0
>>>>
>>>> I get;
>>>>
>>>> gpart: Device busy
>>>
>>> crude but effective:
>>>
>>>
>>> DISK=da0
>>>
>>> offset=`diskinfo $DISK | awk '{ print $4 - 131072 }'`
>>> dd if=/dev/zero of=/dev/$DISK bs=64k count=1
>>> dd if=/dev/zero of=/dev/$DISK bs=64k seek=$offset
>>>
>>> gpart create -s gpt ${DISK}
>>
>> This is what I ended up doing.
>>
>> I unplugged it, waited a few, re plugged and then I was able to
>> delete/destroy.
>>
>> I will keep your method on hand though as I prefer not doing a hot plug.
>
> Hot plug? That just wipes the beginning and end of the disk. I would erase
> 1M just to be sure.
>
> The more elegant version is
>
> gpart destroy -F da0
Oh for sure, I did that after the hotplug which finally allowed me to f do it.
I had to hot plug a few times though.
> If it gives an error when doing that, disabling the safety may be necessary:
> sysctl kern.geom.debugflags=16
> Do that only when necessary. It usually is not.
Funny, I did that based on some googling but no dice.
I booted in both regular shel and Live CD.
- aurf
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