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Hello all.. I have a good Redhat 9 install on my hard drive. But I need to use this install on another computer. So I formatted an USB flash drive ...
  1. 12-27-2009 #1
    appooz
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    Problem booting Redhat 9 from USB flash drive

    Hello all..
    I have a good Redhat 9 install on my hard drive.
    But I need to use this install on another computer.
    So I formatted an USB flash drive as ext3, installed grub in it and copied my existing / filesystem on the hard drive to the USB flash drive.

    For testing the install, I disabled my hard drive, floppy drive and CDROM drive in the BIOS setup.

    Grub came up properly at boot time. I could find my filesystem on the USB drive from the GRUB command prompt. The TAB key shows all options correctly
    But when I tried to boot it shows this error message

    Please append a correct "root=" boot option
    Kernal panic: VFS :Unable to mount root fs on 00:00

    I changed the "root =" option in the kernel line to all possibilities(hda1,sda1,hda2,sda2,hdb1,sdb1 etc) and the same error repeats with only the 4-digit address after fs different.
    I dont have a seperate partition for /boot. I tried without the root option. It is still not working.


    Any help would be really appreciated.
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  2. 12-28-2009 #2
    appooz
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    Hello again..
    Is there anything fundamentally wrong with what I have done?
    Can Redhat 9 (Linux kernel 2.4.20) recogonize the USB drive during booting? Is that why it is not mounted?

    I'm new to serious Linux stuff, so please help me out guys...
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  3. 12-28-2009 #3
    devils casper
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    Hi and Welcome !

    Is there any reason for installing RedHat 9? Its an obsolete distro and hardware support for latest hardware is not good at all.
    I would suggest you to install latest version of any other distro. If you want to install RedHat only then go for Fedora or CentOS. Both are RedHat based and free to download/install.
    It is amazing what you can accomplish if you do not care who gets the credit.
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  4. 12-28-2009 #4
    appooz
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    Quote Originally Posted by devils casper View Post
    Hi and Welcome !

    Is there any reason for installing RedHat 9? Its an obsolete distro and hardware support for latest hardware is not good at all.
    I would suggest you to install latest version of any other distro. If you want to install RedHat only then go for Fedora or CentOS. Both are RedHat based and free to download/install.
    Thank you for the reply

    The reason for installing Redhat 9 is that I want to install RTLinux along with it. Redhat 9 is compatible with RTLinux and it works fine. It needs the 2.4 kernel and recommends Redhat.

    The USB flash drive can be mounted properly, once I have booted from the hard drive.
    I'm dont know if it is recogonized at boot time though.
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