Bare Metal Recovery FreeBSD How To

NetOpsCenter noc at
Wed Dec 19 10:32:29 PST 2007

Kevin Kinsey wrote:
> Nuno Gonçalves wrote:
>> I am trying to do a Bare Metal Recovery from a FreeBSD 6.0 system to a
>> different Hardware.
>> I have a backup from all partitions of the affected system so I am 
>> trying to
>> install a minimum FreeBSD 6.0 in a different hardware which I already 
>> have
>> up and running.
> What kind of backup?  Is it a dump(8) file?
>> I created a Swap Partition, a “/” partition where the minimum system is
>> running, and a third partition “/backup” in which I will restore the 
>> backup
>> through the network.
>> Next step will be to change the boot manager and make it boot through
>> “/backup”.
>> Do you guys think this is doable?
>> I Think I probably must recompile the kernel after the bare metal 
>> recovery
>> because the hardware is different, still do you think it might work?
> Did the kernel have a lot of customization?  A GENERIC kernel should
> boot on almost anything --- which is why "bare metal recovery" seems a 
> misnomer to me.  If the hard disk survives, I simply stick it in 
> another box and rarely have any difficulties.  If it doesn't, I do
> a minimal install with the desired final slice/partition scheme on the 
> new HDD, and simply restore(8) over the top.
>> What is your opinion on this? What should be the best approach ?
> Well, I don't know your exact situation, but OOTOMH, the partitioning
> scheme you mention seems like wasting a disk unless you want the
> final system to have only /, swap, and /backup.  Which could be
> OK, I guess, but isn't the traditional BSD Right Way(tm).
> Also, I'd consider installing a newer release than 6.0, and only
> restoring the important stuff.  Again, it depends on your situation.
> My $.02,
> Kevin Kinsey
I agree with Kevin.

If the HD is ok just stick it in a new box and it will work with most 
current motherboards. I have done this many times.
All you may have to re configure is your network if the nic on the new 
box  is different.

~Al Plant - Honolulu, Hawaii -  Phone:  808-284-2740
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