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Thread: Slow boot after drive removal

  1. #1
    Join Date
    Nov 2013

    Slow boot after drive removal

    Hello I'm on Ubuntu 20.04 had Ubuntu 16.04 on another drive that I disconnected from the computer. It use to take max of 1 minute to boot into Ubuntu 20.04. After I removed Ubuntu 16.04 from the other hard drive it now takes over 5 minutes to boot. I thought it was grub so I updated it and still has the slow boot time. What else can I do in order to get it to boot regularly? I can always but back the Ubuntu 16.04 and redo grub, but I rather not have to do that. Thanks for any help.

  2. #2
    Join Date
    May 2013

    Re: Slow boot after drive removal

    Check the fstab. It may have an entry for the old drive and it stalls while trying to mount it.

  3. #3
    Join Date
    Jun 2010
    London, England
    Ubuntu Development Release

    Re: Slow boot after drive removal

    + 1 for the above post

    If the 16.04 drive had a swap partition and 20.04 was set to use the swap partition on the 16.04 drive, then 20.04 would spend time trying to mount the swap partition. I hit a problem recently that slowed the boot time. I installed Debian and allowed it to format the swap Partition. This gave the swap partition a new unique identifier which was different from that listed in /etc/fstab. And so, loading my installs of Ubuntu took much longer.

    It is a machine. It is more stupid than we are. It will not stop us from doing stupid things.
    Ubuntu user #33,200. Linux user #530,530

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