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Thread: USB external hard drive

  1. #11
    Join Date
    Mar 2006
    Location
    Williams Lake
    Beans
    Hidden!
    Distro
    Ubuntu Development Release

    Re: USB external hard drive

    Quote Originally Posted by pfeiffep View Post
    Thanks for the kudo.
    I fail to understand the side note ... I'm about 99% certain this has to do with hardware and not Ubuntu version - 1% maybe grub2
    Yes it is, but you mentioned 13.04 in the thread, and one of the mods automagically assumed that the thread actually had something to do with Raring, so it was moved here.

  2. #12
    Join Date
    Aug 2008
    Location
    Athens Greece
    Beans
    971
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: USB external hard drive

    Quote Originally Posted by pfeiffep View Post
    I have Ubuntu 12.10 installed on my internal HDD and daily 13.04 on my external usb hdd. Grub2 correctly identifies both installations...
    Quote Originally Posted by jerrylamos View Post
    ... Testing on USB drive helps (but not eliminates) early development screw ups where Grub2 fouls up and I have to do Grub Rescue or wipe the hard drive and start over...
    Many "old" BIOS identify an USB-HDD as USB-FDD choosing the lower throughput "Full Speed" mode. Also multi-partitioning is not covered in a Floppy! You can determine if you faced this problem from a GRUB prompt (press "C" at GRUB menu) using the command "ls". Your internal hard drive will be (HD0) and your partitions (HD0,x) or (HD0,MSDOSx). Your USB mass storage will be shown as (HD1) which means HDD or (FD0) if supposed to be a FDD.

    Best setup for a "true portable system" is to attach your HDD using SATA into your desktop/laptop/netbook, do an "entire hard drive" installation using the first partition for the whole system (or the /boot directory) and then place the HDD into the USB>SATA enclosure.

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