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    [SOLVED] Re: Oh No not another RAID Post

    OK everything seems to be finish


    mike@bastion:~$ sudo resize2fs -p /dev/md0
    resize2fs 1.46.5 (30-Dec-2021)
    Resizing the filesystem on /dev/md0 to 610316800 (4k) blocks.
    The filesystem on...
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    [SOLVED] Re: Oh No not another RAID Post

    Failed sdb1 , hot removed, then zeroed the super blocks


    mike@bastion:~$ sudo mdadm /dev/md0 --fail /dev/sdb1
    mdadm: set /dev/sdb1 faulty in /dev/md0
    mike@bastion:~$ sudo mdadm /dev/md0...
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    [SOLVED] Re: Oh No not another RAID Post

    found the link to scrubbing the raid array as a maintenance, which is what I was thinking of and why I said it was a sidebar and not on topic ...
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    [SOLVED] Re: Oh No not another RAID Post

    sidebar question as getting older in my 60's memory sometimes fails me.
    the command to scrub the drives would be:
    echo check > /sys/block/md0/md/sync_action

    correct?



    on the
    sudo mdadm...
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    [SOLVED] Re: Oh No not another RAID Post

    @TheFu & MAFoElffen

    BEFORE I post my progress thus far let me ASSURE Both of you that your advice did not fall on deaf ears or I'm ignoring your mentorship and advice. As the systems are a...
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    [SOLVED] Re: Oh No not another RAID Post

    Darko stated:
    "I assumed you want to use this as a learning opportunity too. "
    YES Yes.
    The media server is really a home lab.
    And it just makes sense to me to learn this process versus waiting...
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    [SOLVED] Re: Oh No not another RAID Post

    when I attempted to reduce the number of drives in the array, which I failed sdb then attempted to downsize the array. which for some reason I never noticed that I should have resized then...
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    [SOLVED] Re: Oh No not another RAID Post

    @ Dakrod
    I think where I was not getting the results I wanted to achieve was I failed sdb (1) first after unmounting then ( or rather before) attempted to reduce the array.
    I am in the...
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    [SOLVED] Re: Oh No not another RAID Post

    df-h


    [mike@bastion:~$ df -h
    Filesystem Size Used Avail Use% Mounted on
    tmpfs 3.2G 1.3M 3.2G 1% /run
    /dev/sda2 228G 14G 202G 7% /
    tmpfs 16G 0 ...
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    [SOLVED] Oh No not another RAID Post

    ---------BLUF-------------------
    I attempted to follow this guide to reduce the number of drives within the current RAID 5 to 6 Active drive and then have a spare....
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