Re: kern/45179: NetBSD disklabel does not support devices larger 2 TByte

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

The following reply was made to PR kern/45179; it has been noted by GNATS.

From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: Wolfgang Stukenbrock <Wolfgang.Stukenbrock%nagler-company.com@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, kern-bug-people%NetBSD.org@localhost, 
gnats-admin%NetBSD.org@localhost,
        netbsd-bugs%NetBSD.org@localhost
Subject: Re: kern/45179: NetBSD disklabel does not support devices larger 2
 TByte
Date: Wed, 27 Jul 2011 13:19:14 +0200

 On Wed, Jul 27, 2011 at 11:57:14AM +0200, Wolfgang Stukenbrock wrote:
 > Hi again,
 > 
 > now I've a look at gpt(8).
 > 
 > the manual say:
 > 
 > By default, one cannot create a GPT when the device contains a
 > MBR, however this can be overridden with the -f option.  If the
 > -f option is specified, an existing MBR is destroyed and any par-
 > titions described by the MBR are lost.
 > 
 > This means, gpt(8) is not usable on (at least) i386 and amd64
 > architectures for root disks!
 > So gpt is no sollution for theese architectures!
 
 It is, gpt-partitionned disks are bootable.
 MBRs also have a size limitation, which may also be a 2TB.
 
 -- 
 Manuel Bouyer <bouyer%antioche.eu.org@localhost>
      NetBSD: 26 ans d'experience feront toujours la difference
 --