Re: grub-probe, but in reverse?

[Vladimir 'phcoder' Serbinenko]

On Fri, Jul 31, 2009 at 12:36 PM, Colin Watson<address@hidden> wrote:
> On Wed, Jul 29, 2009 at 05:03:44PM -0400, Pavel Roskin wrote:
>> On Wed, 2009-07-29 at 19:35 +0100, Colin Watson wrote:
>> > $ sudo grub-probe -d /dev/sda1 -t drive
>> >   (hd0,1)
>> >
>> > I have a reason to want to do the reverse of this: I have a
>> > libparted-based program that ensures that at least one partition on a
>> > disk is marked active (needed for some BIOSes), and would like to call
>> > it on the disk selected for installation of GRUB in d-i. Of course
>> > libparted is only going to understand OS device names. If possible I'd
>> > rather avoid reading device.map by hand to figure out how to map (hd0,1)
>> > back to /dev/sda1. Is there any way to do this with the code as it
>> > stands, and if not would it make sense to make it possible to pass GRUB
>> > device names to grub-probe?
>>
>> I think device.map is fundamentally unreliable and should be obsoleted.
>> I don't know where you are getting the GRUB device names, but I suggest
>> that you use UUID instead.
>
> They're entered by users choosing where to install GRUB, whom we can
> hardly expect to enter UUIDs by hand. Perhaps we can figure out how to
> give them a select list of available choices, which could then include
> UUIDs behind the scenes ...
>
Asking for an input like "/dev/sda1" isn't a big change. Bug choice
list is of course better
> --
> Colin Watson                                       address@hidden
>
>
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-- 
Regards
Vladimir 'phcoder' Serbinenko

Personal git repository: http://repo.or.cz/w/grub2/phcoder.git