kern/157819: [geom] gpart(8): drop serial from MBR

[Eir Nym]

The following reply was made to PR kern/157819; it has been noted by GNATS.

From: Eir Nym <eirnym at gmail.com>
To: Marcel Moolenaar <marcel at xcllnt.net>
Cc: "Andrey V. Elsukov" <ae at freebsd.org>, bug-followup at freebsd.org, 
	Marcel Moolenaar <marcel at freebsd.org>
Subject: Re: kern/157819: [geom] gpart(8): drop serial from MBR
Date: Wed, 15 Jun 2011 20:10:41 +0400

 On 15 June 2011 19:43, Marcel Moolenaar <marcel at xcllnt.net> wrote:
 >
 > [....]
 >
 > The fundamental question we need to answer is this:
 > Is the serial number a well-defined field in the MBR that is
 > independent and unrelated to the bootcode, or not?
 
 Yes, this field is defined in several documentation sources.
 It has 6 bytes and used Windows OS as disk identifier in registry to
 specify mount point.
 
 http://technet.microsoft.com/en-us/library/cc978525.aspx
 
 > [....]