8 partitions maximum

[Paul B Mahol]

On 11/30/10, David DEMELIER <demelier.david at gmail.com> wrote:
> 2010/11/30 Patrick Lamaiziere <patfbsd at davenulle.org>:
>> Le Tue, 30 Nov 2010 21:45:03 +0100,
>> David Demelier <demelier.david at gmail.com> a ecrit :
>>
>>> Hello,
>>
>> Hello,
>>
>>> We all know that we can only have 8 ufs partitions in one freebsd
>>> slice. Since OpenBSD and NetBSD can support at most 32 partitions
>>> iirc.
>>>
>>> I wonder why FreeBSD still lacks more ufs partitions in one slice?
>>>
>>> Is there any plan to grow up max partitions or every work is
>>> dedicated to ZFS?
>>
>> hmmm, isn't already done in 8.X ?
>> from what's cooking for FreeBSD 8.0
>> http://ivoras.sharanet.org/freebsd/freebsd8.html
>> <<
>> bsdlabel gets extended to 26 partitions
>>
>> Status: Committed to -CURRENT
>> Will appear in 8.0: sure
>> Author: Marcel Moolenaar
>> Web: commit message
>>
>> bsdlabel is (finally!) extended to support more than 8 partitions. The
>> new limit of 26 partitions comes from the number of lower-case letters.
>>
>> To make use of this change, GEOM_PART needs to be used instead of
>> GEOM_BSD (this is default in 8.0 but will not work with older kernels).
>> >>
>>
>
> I don't have GEOM_PART in my kernel, but if you said it's default it
> should be pulled in.
>
>> Regards.
>> _______________________________________________
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>>
>
> But why :
>
> # /dev/md2s1:
> 8 partitions:
> #        size   offset    fstype   [fsize bsize bps/cpg]
>   a:  10m       16    4.2BSD        0     0
>   b:  10m       *    4.2BSD        0     0
>   d:  10m       *    4.2BSD        0     0
>   e:  10m       *    4.2BSD        0     0
>   f:  10m       *    4.2BSD        0     0
>   g:  10m       *    4.2BSD        0     0
>   h:  10m       *    4.2BSD        0     0
>   i:  10m       *    4.2BSD        0     0
>   j:  10m       *    4.2BSD        0     0
>   k:  10m       *    4.2BSD        0     0
>
>   c:  2047973        0    unused        0     0         # "raw" part, don't
> edit
>
> line 11: partition name out of range a-h: i
> line 12: partition name out of range a-h: j
> line 13: partition name out of range a-h: k
> re-edit the label? [y]:
>
> I'm on 8.1-RELEASE.

To make use of such feature you need to recreate table with gpart(8).

bsdlabel is not going to work.