On Wed, 8 Apr 1998, Bruce Tong wrote:
> If I had a working installation of RedHat Linux on one machine and an
> identical machine, except the harddrive on the second machine was
> completely blank, is there a good way to duplicate the harddrive on the
> first machine?
>
> I was thinking I could install the harddrive of machine two into the case
> with machine one. Format and mount the second harddrive and then just copy
> the whole file system down, but it seems to me this won't work. For one
> thing, I don't think I would copy LILO and the MBR this way.
>
> So, I wonder if the "dd" command will work. I checked the man pages and
> some of my books, and I'm fairly certain I'm close, but I hate to use
> trial and error to find my mistakes for this. ;)
>
> fdisk # Interactively create /dev/hdb parts
> dd if=/dev/hda1 of=/dev/hdb1 # Linux Swap
> dd if=/dev/hda2 of=/dev/hdb2 # Linux
I'm not to sure if dd would do this or not (only because what if the sizes
of partitions are different???). I do know that you don't need to copy
your swap over. After you use fdisk, just do mkswap. I've used "cp -a"
in the past. This may be slower, but i haven't had problems with it.
>
> or maybe just...
>
> dd if=/dev/hda of=/dev/hdb
>
> Is this an appropriate approach? Is there any point to copying the Swap
> partition? Did this copy the MBR? If not, how do I do that?
>
>
> Bruce Tong
> Systems Programmer
> Electronic Vision / FITNE
>
> mailto: [EMAIL PROTECTED]
> http://www.ev.net/fitne
>
>
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