Hi,

  Is this a 4k native drive? (4k physical AND logical sector size) or is it a 
512e drive?

 In any case, if your system's BIOS does not present it as a boot option, you 
could try GRUB's USB support, but it is a bit flaky (and doesn't directly 
support usb3, so depending on how your USB controller is wired, you may not 
even be able to do that.)

  --S

On Feb 12, 2013, at 7:36 AM, Bob Lemar <foreg...@gmail.com> wrote:

> Hi, guys
> 
> I got new SEAGATE Expansion USB 3.0 and want to boot linux from it.
> 
> I have successfully booted various linuxes before with different
> loaders from USB thumb flashes. But I cannot do it with this external
> drive.
> 
> There are three problems: USB3, 4K sectors and >2TB.
> 
> I try grub2 (fedora 17). Grub2 doesn't power on external USB drive.
> The drive is spinning up only after some OS is starting to load after
> grub2. So grub2 and BIOS don't see external HDD.
> 
> 
> Can someone point me out:
> 
> 1. either how to turn on external USB3 driver while computer is in grub2?
> 
> 2. or how to load OS with kexec from external USB3 4K sector drive
> (from OS which is located at internal HDD)?
> 
> --
> Best regards, Bob
> 
> _______________________________________________
> Grub-devel mailing list
> Grub-devel@gnu.org
> https://lists.gnu.org/mailman/listinfo/grub-devel

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