Moving raid to different machine

Phillip T. George phillip at eacsi.com
Tue May 10 14:07:15 UTC 2005


Ashley,

I'm not sure what the experience will be for you, BUT from machine A 
with FC2 to machine B with FC3 it was a simple process: I moved the 
drives.  The only thing I had to do is mess with /etc/fstab to get them 
to automount.  I also moved them to machine C with FC3 as well and it 
was just as fun and easy :)  It was refreshing and surprising at the 
same time to see it work that smoothly.  I wasn't using a stripe, I was 
using a mirror (2 mirrors and 2 drives actually), but I expect that it 
should be just as easy.

-Phillip

Ashley M. Kirchner wrote:

>
>    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
>




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