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Re: Grub cannot see my new hard drive

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I'm starting a fresh thread for this.

I booted from a USB 2.0 flash drive into Grub2. Then I asked Grub for a command prompt. Then I issued the following three commands:

grub> linux (hd2,msdos1)/vmlinuz root=/dev/sdb1 ro
grub> initrd (hd2,msdos1)/initrd.img
grub> boot

/dev/sda is the internal hard drive in the laptop computer.
/dev/sdb is the new 4 TB Toshiba External USB 3.0 hard drive.

/dev/sdc and /dev/sdd are currently USB 2.0 flash drives with an ext4 file system on the first and only partition. Both use a DOS MBR partition table that sets the first partition as active/bootable.

The hard drive, /dev/sdb, always responds faster than the USB flash drives so it is always /dev/sdb.

Now Debian Linux is running on my new hard drive using /dev/sdb1 as the root partition. I need to set up a separate USB flash drive to do all of this by default so I don't have to do all of this work every time the computer boots up. I also need to install Grub2 on the backup USB flash drive so I can use it to boot my system if something goes wrong and the first USB flash drive that I just used gets screwed up as well.

name=Matthew%20Campbell&email=trenix25%40pm.me

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Re: Grub cannot see my new hard drive Matthew Campbell <trenix25@pm.me> - 2020-06-17 07:20 +0200
  Re: Grub cannot see my new hard drive deloptes <deloptes@gmail.com> - 2020-06-17 08:50 +0200
    Re: Fw: Grub cannot see my new hard drive deloptes <deloptes@gmail.com> - 2020-06-18 07:00 +0200
  Re: Grub cannot see my new hard drive David Wright <deblis@lionunicorn.co.uk> - 2020-07-02 05:00 +0200
    Fw: Grub cannot see my new hard drive Matthew Campbell <trenix25@pm.me> - 2020-07-02 10:20 +0200
      Re: Fw: Grub cannot see my new hard drive "Thomas Schmitt" <scdbackup@gmx.net> - 2020-07-02 11:20 +0200
      Re: Fw: Grub cannot see my new hard drive David Christensen <dpchrist@holgerdanske.com> - 2020-07-02 21:00 +0200
        Fw: Fw: Grub cannot see my new hard drive Matthew Campbell <trenix25@pm.me> - 2020-07-02 23:20 +0200
      Re: Fw: Grub cannot see my new hard drive David Wright <deblis@lionunicorn.co.uk> - 2020-07-02 22:10 +0200
        Fw: Fw: Grub cannot see my new hard drive Matthew Campbell <trenix25@pm.me> - 2020-07-02 23:20 +0200
          Re: Fw: Fw: Grub cannot see my new hard drive David Wright <deblis@lionunicorn.co.uk> - 2020-07-03 16:40 +0200
            Fw: Fw: Fw: Grub cannot see my new hard drive Matthew Campbell <trenix25@pm.me> - 2020-07-03 19:30 +0200
              Re: Fw: Fw: Fw: Grub cannot see my new hard drive deloptes <deloptes@gmail.com> - 2020-07-03 21:10 +0200
                Re: Grub cannot see my new hard drive David Wright <deblis@lionunicorn.co.uk> - 2020-07-04 04:00 +0200
                Re: Grub cannot see my new hard drive deloptes <deloptes@gmail.com> - 2020-07-04 08:00 +0200
                Re: Grub cannot see my new hard drive "Thomas Schmitt" <scdbackup@gmx.net> - 2020-07-04 09:00 +0200
                Re: Grub cannot see my new hard drive deloptes <deloptes@gmail.com> - 2020-07-04 09:10 +0200

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