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Date:      Fri, 14 Aug 2009 11:47:09 +0100
From:      Vincent Hoffman <vince@unsane.co.uk>
To:        Mak Kolybabi <mak@kolybabi.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Partions per slice limitation removed?
Message-ID:  <4A8540AD.6020700@unsane.co.uk>
In-Reply-To: <20090813222501.GB29899@brisbane.nepharia.org>
References:  <20090813222501.GB29899@brisbane.nepharia.org>

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Mak Kolybabi wrote:
> On 2009-08-13 13:41, Doug Poland wrote:
>   
>> I thought I recalled reading, within the last few months, that there is no
>> longer a 8 partition/slice limitation in FreeBSD. I've been googling and
>> reading man pages to verify that but cannot find any documentation to support
>> it. Was I dreaming?
>>     
>
> (Forgot to send this reply to the list the first time, not just the OP.)
>
> No, you were not dreaming. When in doubt, check the source. From
> head/sbin/bsdlabel/bsdlabel.c [1]:
>
> "Allow bsdlabel to operate on labels that have at most 26 partitions by virtue
> of there not being any (lower-case) letters avaliable for more partitions."
>
> [1] http://svn.freebsd.org/viewvc/base?view=revision&revision=174501
>
>   
Indeed and from http://ivoras.sharanet.org/freebsd/freebsd8.html (a
reasonably complete list of whats comming in 8.0) it says

bsdlabel gets extended to 26 partitions

Status: Committed to -CURRENT
Will appear in 8.0: sure
Author: Marcel Moolenaar
web: http://lists.freebsd.org/pipermail/cvs-src/2007-December/084949.html

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 requires custom kernel configurations).


Vince
> --
> Matthew Anthony Kolybabi (Mak)
> <mak@kolybabi.com>
>
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