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Number   :  1055
Date     :  2001-11-27
Author   :  Dan Anderson
Subject  :  Re: Did xxcopy clone now MBR and want to keep c drive in computer
Size(KB) :  2



"Fdisk /mbr" can/will mess you up if you are using products such as
Bootmagic (packaged with Partition Magic) to allow multiple boot options.
Fdisk /mbr will destroy your partition table and you won't be able to access
the contents of your hard drive.

Dan

========================


----- Original Message -----
From: Kan Yabumoto 
To: 
Sent: Monday, November 26, 2001 6:42 PM
Subject: Re: [xxcopy] Re: Did xxcopy clone now MBR and want to keep c drive
in computer


>
> Inventor84:
>
> As far as I know, there is no side effect of any kind to run
>
> fdisk /mbr
>
> Therefore, if you feel you need to run this command,
> it should be a very safe command to run on any machine.
> On the other hand, if it has been working as a reliable
> C: drive, there is no reason to run this command either.
>
> It reinitializes the first section of the MBR (the
> first 446 bytes to be exact) which is called
> Master Boot Code by Microsoft. This part is the
> same regardless of the OS (I'm pretty sure that
> it is even the same for Linux). Of course, within
> the confine of the section, you may replace it with
> a fancy version (see Ranish's
> page http://www.users.intercom.com/~ranish/part/).
>
> On the other hand, if you get into FDISK and do things
> interactively, you may disrupt partitions which may
> have devastating effect (you may lose everything).
>
> In essence, FDISK /MBR is seldom needed. When you
> run it, it cannot mess up things.
>
> I lost track of why Inventor84 was so interested
> in FDISK /MBR in the first place...
>
> Kan Yabumoto
> ============================================================
>
> At 2001-11-26 16:44, you wrote:
> >--- In xxcopy@y..., Michael Marquart  wrote:
> > >
> > > Fdisk /mbr only works on the current C: drive.
> > >
> >ok
> >
> >So will it mess up the old C drive doing fdisk /mbr ?
> >And when I change back to the old one if the new one
> >crashes or gets a virus will I have to do fdisk /mbr
> >even though this was c drive for years?
> >
> >thanks
> >
> >inventor84@a...
> >
> >
> >
> >
> >
> >
> >
> >Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>



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