On 6/23/07, Dallas Clement <[EMAIL PROTECTED]> wrote:
On Fri, 2007-06-22 at 05:41 -0500, Dallas Clement wrote:
> Can anyone tell me how to determine which device Linux booted from. I
> am using GRUB to boot Linux. My menu.lst config is this:
>
> title GNU/Linux, kernel 2.6.21.1
> root (hd0,0)
> kernel /boot/kernels/bzImage
>
> Once booted from Linux, I would like to be able to tell which Linux
> device, i.e. /dev/hdx or /dev/sdx corresponds to hd0.
>
> Is there a way to determine this?
>
> Thanks!
For the benefit of anyone who cares, I found the answer to my problem.
It has been solved by some engineers over at Dell. They created a
project called Enhanced Disk Drive services a.k.a EDD, which has been
incorporated into the 2.6 Linux kernel as the CONFIG_EDD option.
It worked marvelously for me. You have to load the edd.ko module for it
to work. It will then collect the BIOS drive info into
the /sys/firmware/edd folder. The info concerning the boot device is
found in the int13_dev80 folder. You can simply compare the cylinders
with the output of "fdisk -l" to determine the Linux partition name of
your boot device.
Regards,
Dallas
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Hello!
Great news! I should also mention that it is available also in the
later 2.4 kernels as well, but a lot of users of Linux have reason to
believe that the 2.4 kernel family is essentially old news.
It's not. For some machines its the only way to go. When you get
around to it, please post someplace exactly what you did do.
--
Gregg C Levine [EMAIL PROTECTED]
"This signature was once found posting rude
messages in English in the Moscow subway."
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