Re: Moving raid to different machine

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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


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