RE: detecting disks and disk size

[Loving, Kent]

Fri, 9 Aug 2013 06:32:38 +0400
"Andrey Borzenkov" wrote:

>> Hello,
>> I am using GRUB on a CD to boot a specialized live linux on the CD. I would 
>> like to customize the GRUB menu based on the number of hard disks that are 
>> installed in the machine that is booting the CD. I would also like to 
>> customize based on the size of the installed disks.
>> 
>> I've searched GUB manual, and tried every command at the GRUB> prompt that I 
>> hope would work. But nothing I've tried is helping.
>> 
>> I tried to use ls to check (hd0) and (hd1), but ls always returns 0, even if 
>> it prints an error.
>> 
>> Once the linux is booted I can use something like "cat /sys/block/sda/size" 
>> but that's no help in GRUB.
>> 
>> Is there a command I am missing, or maybe a 'diskinfo' module?
>> 
>
>It sounds similar to
>http://lists.gnu.org/archive/html/help-grub/2013-06/msg00039.html

Thanks for the link, it's helpful. I will use the probe command.