On Feb 14, 2006, at 12:07 PM, Alec Berryman wrote:
Joe Auty on 2006-02-14 11:49:05 -0500:
What is the best way to clone a disk in FreeBSD?
[...]
Can I use DD on two disks of different size? Do you recommend Ghost
for Unix?
g4u is a very nice wrapper for dd. I've had great success with it for
identically-sized disks; there shouldn't be a problem if the target
disk is larger than the source disk, because you can edit the
partitions around and then growfs.
Don't overlook tar, though - it doesn't care about disk sizes as long
as you have enough free space, doesn't care about partitions, and is
simpler in many cases. If you boot up to the fixit image from an
install CD you can partition and newfs to however you like and then
untar.
Hmmm... Could you tell me more about how the fixit images work? I've
never had to do that... basically, I just need something that will
allow me to boot up into single user mode. I've been using the source
disk in single user mode, and doing a mount -u / to make sure that
it is mounted read only. Before I go this route, I'm thinking it
might be wise to give "dump" another try from a working boot CD. What
is the best way to create myself a boot CD that I can use to boot up
in single user mode?
As far as your tar idea, the idea seems great, although I'm not sure
whether I have enough space to store both the tarball and the space
needed to extract the tarball to. We are talking over a 100 gig here.
Thanks for your advice!
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