Duplicating a harddrive

[D. Taylor]

Ahhh!  That makes sense.  I was indeed thinking "inside
the box" in terms of the 640M limit.

OTOH, you could just as easily use "dd" to create an image
of an ext2fs filesystem, and mount said image via loop.  I
mean, you wouldn't want to access the image in anything other
than Linux, right?  :)


D

On Wed, 23 Feb 2000, J. Francois wrote:

> Date: Wed, 23 Feb 2000 14:26:56 -0700
> From: "J. Francois" <frenchie@magusnet.gilbert.az.us>
> Reply-To: plug-discuss@lists.PLUG.phoenix.az.us
> To: plug-discuss@lists.PLUG.phoenix.az.us
> Subject: Re: Duplicating a harddrive
> 
> It seems like on Wed, Feb 23, 2000 at 10:58:19AM -0700, D. Taylor scribbled:
> Orig Msg> 
> Orig Msg> OK, I got ahold of some bad crack, but what does
> Orig Msg> 
> Orig Msg> mkhybrid  - create an hybrid ISO9660/JOLIET/HFS filesystem
> Orig Msg> with optional Rock Ridge attributes. Includes support
> Orig Msg> for making bootable "El Torito" CD-ROMs.
> Orig Msg> 
> Orig Msg> have to do with "duplicating a drive?"
> Orig Msg> 
> 
> Hmmm...maybe someone secretly replaced your
> crack with methamphetamine crystals...and you didn't notice :)
> 
> Seriously, the ISO9660 format only limits you to
> a 640MB filesystem if you plan on making a CDROM.
> 
> To duplicate a drive you can make an ISO image of *ANY*
> size and store that to be used as a mountable "live" filesystem
> that is read only and that can be recovered from on the /dev/loop device.
> 
> man mkhybrid
> spells it out nicely.
> 
> So a 6.4GB hard drive can be saved as an ISO image on a 44GB hard drive
> for later use.
> 
> bad example:
> mount /dev/loop /saved/6.4GB.iso -t iso9660
> cd /dev/loop0
> find . -depth -print | cpio -pdumv /newfilesystemdiskmountedhere
> rm -fr /newfilesystemmountedhere/[ the RockRidge crap ]
> boot from recovery floppy
> lilo
> 
> JLF Sends...
> 
> This message brought to you by General Necromancy:
>      "At General Necromancy, we bring dead things to life."
> 
> 
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