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mdadm

List of commands for mdadm:

  • mdadm:tldr:67758 mdadm: Remove disk.
    $ sudo mdadm --remove ${-dev-md0} ${-dev-sdXN}
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  • mdadm:tldr:69d5a mdadm: Mark disk as failed.
    $ sudo mdadm --fail ${-dev-md0} ${-dev-sdXN}
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  • mdadm:tldr:8cbfd mdadm: Show RAID info.
    $ sudo mdadm --detail ${-dev-md0}
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  • mdadm:tldr:9e182 mdadm: Reset disk by deleting RAID metadata.
    $ sudo mdadm --zero-superblock ${-dev-sdXN}
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  • mdadm:tldr:a534d mdadm: Add disk to array.
    $ sudo mdadm --assemble ${-dev-md0} ${-dev-sdXN}
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  • mdadm:tldr:f8d12 mdadm: Create array.
    $ sudo mdadm --create ${-dev-md-MyRAID} --level ${raid_level} --raid-devices ${number_of_disks} ${-dev-sdXN}
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  • mdadm:tldr:fb122 mdadm: Stop array.
    $ sudo mdadm --stop ${-dev-md0}
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