Moving raid to different machine

[Phillip T. George]

Sam Varshavchik wrote:

> Ashley M. Kirchner writes:
>
>>
>>     With a mail spooler going down yesterday, I'm faced with a small 
>> problem.  The machine, running RH7.3, had a raid consisting of 2 SCSI 
>> drives that were striped together (software raid.)  Is there some way 
>> I can pull these drives out with their controller, stick them in a 
>> different machine, get the raid going, and be able to pull the data 
>> off?  If so, how?  I don't know if there are certain files I need, 
>> but on backup I have /etc but no /boot (which is where grub lived in 
>> those days.)
>>
>>     The raidtab as it was looks like this:
>>
>> raiddev             /dev/md0
>> raid-level                  0
>> nr-raid-disks               2
>> chunk-size                  64k
>> persistent-superblock       1
>> nr-spare-disks              0
>>     device          /dev/sda1
>>     raid-disk     0
>>     device          /dev/sdc1
>>     raid-disk     1
>
>
> Try this: install Fedora on another box.  When you install it create a 
> small raid partition somewhere.  Doesn't matter what it actually is, 
> the only thing that needs to happen is to have anaconda create an 
> initrd that loads the raid modules at boot time.  Then, you should be 
> able to move your old disks to the other machine, and they should come 
> up at boot.
>
>
Sam,

I didn't have to create any sort of raid for the modules to load at boot 
time.  I might of had to set some kind of service to start--but I don't 
think I even had to do that!  It was great :)

-Phillip