Advanced Format Drive ?

[Ronald F. Guilmette]

In message <50A4F2C8.5040308 at qeng-ho.org>, 
Arthur Chance <freebsd at qeng-ho.org> wrote:

>On 11/15/12 12:41, Ronald F. Guilmette wrote:
>>> -b is the beginning block of a partition.  34 is a magic value, the size
>>> of a standard GPT partition table.
>>
>> It probably wouldn't have hurt anything to mention that in the gpart man
>> page.
>>
>> And what about 162?  Is that magic too?  If so, how?  I seriously do not
>> know.
>
>The man example should be taken as a whole. You've got
>
>/sbin/gpart add -b 34 -s 128 -t freebsd-boot ad0
>
>which gives you a 128 block partition starting at block 34, so the next 
>free block is 162, and the next partition is explicitly started there in
>
>/sbin/gpart add -b 162 -s 1048576 -t freebsd-ufs ad0
>
>No magic, just arithmetic. :-)

Ah!  Silly me!  Thank you.  (I did miss that.)


Regards,
rfg