Re: GRUB fallback mechanism [was Re: Brain storming cool Guix features]

[swedebugia]

Leo Famulari <address@hidden> skrev: (11 januari 2019 23:32:12 CET)
>On Mon, Jan 07, 2019 at 05:48:39PM +0100, L p R n d n wrote:
>> - Currently, I think the only way for a GuixSD installation to break
>is
>>   if something goes wrong with the bootloader. Might be nice to have
>a
>>   tool (in the install image I suppose) to recover the bootloader.
>>   Maybe 'guix system init' can deal with that king of cases for now,
>I
>>   don't know, but a dedicated command might be able to use the
>original
>>   store, restore previous generations etc.
>
>Apparently GRUB has a feature that records a "fallback" system to boot
>if booting fails.
>
>Maybe when reconfiguring, Guix could set the current system as the
>fallback so that it would always boot.
>
>If we did that, we'd want to warn the user somehow... not sure how to
>achieve that.
>
>Discussion of this feature at NixOS:
>
>https://github.com/NixOS/nixpkgs/issues/26332

I don't think automatic fallback is a good idea because it unnecessarily 
complicates a now well working simple part of the OS. 
KISS is a nice principle. 
-- 
Sent from my p≡p for Android.

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