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Thread: Ubuntu will no longer boot with a different secondary hard drive attached

  1. #1
    Join Date
    Nov 2020
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    2

    Ubuntu will no longer boot with a different secondary hard drive attached

    Some time ago I installed Ubuntu to 18.04 to an HP I7 computer. This was a dual boot Windows 10 installation. The primary hard drive was 500GB and contained windows and Ubuntu. The second hard drive was a 4 terabyte hard drive that was formatted in NTFS. Everything worked fine.

    Then I decided I needed a larger secondary hard drive and I bought a 10 TB hard drive and formatted it in ext4 with one partition.

    Now Ubuntu will not boot. Windows 10 boots just fine and I can see the 10tb hard drive and access it. Also I can boot it from my Ubuntu USB installation stick and it sees both hard drives and lets me access them.

    What is preventing me from being able to boot from the 500gb hard drive when the 10tb drive is attached?

    Thank you.

  2. #2
    Join Date
    Jul 2008
    Location
    The Left Coast of the USA
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    Hidden!
    Distro
    Kubuntu

    Re: Ubuntu will no longer boot with a different secondary hard drive attached

    Hello.

    Did you modify your fstab to remove the old drive and add the new one?
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  3. #3
    Join Date
    Nov 2020
    Beans
    2

    Re: Ubuntu will no longer boot with a different secondary hard drive attached

    I did not. Is there a guide to modifying fstab

  4. #4
    Join Date
    Jun 2009
    Location
    SW Forida
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    Hidden!
    Distro
    Ubuntu

    Re: Ubuntu will no longer boot with a different secondary hard drive attached

    Internal drive partitions are normally mounted with UUID or labels.
    lsblk -o NAME,FSTYPE,LABEL,MOUNTPOINT,SIZE,MODEL, uuid | egrep -v "^loop"
    sudo blkid -c /dev/null -o list
    sudo cp /etc/fstab /etc/fstab.backup
    sudo nano /etc/fstab

    Your Windows will not see ext4 partition, so did you format it as NTFS?
    And only one very large 10GB partition is harder to manage for backup. You do have another 10GB drive for backup?

    If ext4 formatted, you also have to give yourself ownership & permissions to use it.

    http://ubuntuforums.org/showthread.php?t=1983336
    Create mount point, mount & edit fstab from user Morbius1 in Post # 6 - suggest using templates instead.
    UEFI boot install & repair info - Regularly Updated :
    https://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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