On 09:20:57 May 15, Kapil Hari Paranjape wrote:
 
> I think you are taking the original querent's "exact clone" too
> seriously! 
> 
> Using "dd" will copy every sector on the disk, whether used or not!
> 
> This will take "forever" on a large enough disk.
> 
> It may be better to use some sort of _file_ copying tool like "cp",
> "rsync", "cpio", "tar", "unison", ...

In the BSD world we do

# dump 0f -f foo.dump *

for each of the file systems.

And restore it with

# restore rf foo.dump

Of course you are advised to do it in single user mode when none of the
partitions are mounted.

And you have to do the fdisk, disklabel(8) and newfs(8).

So this is not exactly cloning but it works much faster and better than
dd.

And you have NetBSD's g4u ( ghosting for UNIX).

Never used it though.

-Girish
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