Machine Replication
asym
bsdlists at rfnj.org
Thu Jul 21 19:36:49 GMT 2005
At 15:20 7/21/2005, Eli K. Breen wrote:
>All,
>
>Does anyone have a good handle on how to replicate (read: image) a freebsd
>machine from one machine to an ostensibly similar machine?
>
>So far I've used countless variations and combinations of the following:
>
>dd (Slow, not usefull if the hardware isn't identical?)
>tar (Doesn't replicate MBR)
>rsync (No MBR support)
>Norton Ghost (Doesn't support UFS/UFS2?)
>G4U (little experience with this)
I've found a combination of dd + tar works great, as documented.
Stick the new drive in the box to be duplicated, use dd on the first
(forget how many) sectors to copy the mbr and partition tables over, then
use a tar pipe to copy from one drive to the other, preserving all perms
and so forth.
Barring that, commercial single-disk duplicators aren't THAT
expensive. Hell you could just use a cheap raid card to raid-1 mirror the
drive, then yank it out and toss it in another box, which I've done on
occasion when pressed.
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