Migrate harddisk with FreeBSD into new machine

C.M. Burns montiburns at googlemail.com
Thu Aug 14 19:04:17 UTC 2008

Derek Ragona schrieb:
> At 01:26 PM 8/14/2008, C.M. Burns wrote:
>> Hi list,
>> I have a problem. A faulty machine was running freeBSD with a two 
>> harddisk software raid.
>> now these two disks should be put into a new machine, but of course 
>> it won't boot because it is new hardware.
>> Kernel just reports: cannot mount root device from /dev/mirror/gm0s1a 
>> (or sth like this).
>> question is now, how can i add the correct driver into the initial 
>> ramdisk (if there is such a thing on bsd) so the machine finds the 
>> two drives?
>> second question: how can i afterwards remove the software mirror and 
>> only use one harddisk from that moment on?
>> any help is very welcom, as i have no idea about bsd. i am a linux guy ;)
>> thanks!
> What I would do, is install FreeBSD onto a new separate hard disk.  
> Disks are cheap.  Once you get the boot disk installed you can create 
> a custom kernel if necessary to support the RAID. 
maybe there is a way to use the "loader prompt" to manually load the 
module? it is a buslogic bt948 controller.
i would rather not compile a new kernel :)

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