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My system had a different primary SAS controller from a secondary SAS controller. The primary controller had the linux OS volume. The drivers for the primary and secondary controller are ...
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  1. #1
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    Migrating a linux os volume to a new controller fails


    My system had a different primary SAS controller from a secondary SAS controller. The primary controller had the linux OS volume. The drivers for the primary and secondary controller are different.

    I am finding the OS is not booting (it says "kernel panic - logical volume not found" error) when I moved (disconnected and connected) the hard disks from primary controller to secondary controller.

    I wanted to know the necessary steps to be done when I migrate the linux os hard disks to a new controller which has a different

  2. #2
    Linux Guru Rubberman's Avatar
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    Not sure, but the problem is likely the fact that the OS is assigning different device ids to the discs. There are a couple of ways to fix that, including labeling the partitions and mount using the labels, or to alias the device ids (/dev/sdx -> /dev/sda, etc) so the the system will mount them properly.
    Sometimes, real fast is almost as good as real time.
    Just remember, Semper Gumbi - always be flexible!

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