Install to jump drive?

John Austin ja at
Sun Feb 3 22:01:49 UTC 2008

On Sun, 2008-02-03 at 13:22 -0800, Knute Johnson wrote:
> >On Sun, 2008-02-03 at 13:41 -0600, Mikkel L. Ellertson wrote:
> >> Knute Johnson wrote:
> >> > Can anybody explain to me in terms that a Linux blivet can 
> >> > understand, why you can't do a regular install to a USB jump drive?
> >> > 
> >> > Thanks very much,
> >> > 
> >>  From what I remember, you have to use the expert mode to install to 
> >> a USB storage device. I didn't check when I did the install of F8, 
> >> but with earlier versions, the installer would not see the USB drive 
> >> in the normal install mode.
> >
> >I have an F7 memory stick in my hand that boots fine.
> >As suggested install using expert mode.
> >grub.conf may need to vary depending on how the BIOS sees the drives.  I
> >have two machines that see the stick as a hard drive when you hit Esc
> >during boot
> >and select the boot device and make this hd0
> >
> >> 
> >> It sort of makes sense, because you have to know a bit more to do a 
> >> USB install. If you are going to boot from the USB drive, using the 
> >> BIOS option to boot from a USB drive, then you have to tell Grub 
> >> that the drive will be hd0 when you boot, even though it will be 
> >> some other drive during the install. This is because most BIOSs will 
> >> map the internal drive(s) before the USB drives when booting from 
> >> anything but the USB drive.
> >> 
> >> You may also run into problem of shortened life on the jump drive 
> >> with a normal install. (There has been a lot of debate on how much 
> >> of a factor that will be.)
> >
> >The latest memory sticks have wear levelling that solves this problem.
> >Corsair Flash Voyager (GT) 8GB runs very well with F7 and KDE.
> >It has static wear levelling and a 5 year warranty.
> >I don't get the quoted 33MBytes/sec when simple test with hdparm. More
> >like 25MB/s
> >
> >I just haven't got round to trying F8 but assume that it would be OK
> >
> >
> >> 
> >> As another option, you can install a live CD image to a jump drive. 
> >> I don't have the link handy that gives the detailed instructions. It 
> >> gives you the advantage of lower ware on the jump drive. You can 
> >> also install to a smaller drive, because of the compressed file 
> >> system used in the live CDs. The disadvantage is that you have a 
> >> hard time updating or adding packages.
> >> 
> How does one get it into 'expert' mode?
If I remember right you hit TAB when booting from DVD/CD and then just
add expert to the end of the line


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