Subject: Re: bug#40997: [raid] The bootloader can only be installed to a single drive

From: Maxim Cournoyer <[email-masked]>
Date: Sun, 29 Aug 2021 01:19:26 -0400

Hello,

Maxim Cournoyer <[email-masked]> writes:

> Hello,
>
> [email-masked] writes:
>
>> Using Guix System, the bootloader declaration doesn't currently seem to
>> support being installed to multiple drives:
>>
>> (bootloader (bootloader-configuration
>>                  (bootloader grub-bootloader)
>>                  (target "/dev/sda")
>>                  (terminal-outputs '(console))))
>>  --8<---------------cut here---------------end--------------->8---
>>
>> I suggest to change it so that target can be passed a list like
>>
>> (bootloader (bootloader-configuration
>>                  (bootloader grub-bootloader)
>>                  (target '("/dev/sda" "/dev/sdb"))
>>                  (terminal-outputs '(console))))
>>  --8<---------------cut here---------------end--------------->8---
>>
>> This is useful when trying to boot a degraded RAID array.
>
> The following patches do exactly this (target becomes the plural
> targets).  I tested it on my system, disconnecting the first drive of my
> RAID1 array, and could at least boot to GRUB fine (although full boot
> failed due to https://issues.guix.gnu.org/40999).
>
> Booting a VM using an image generated from the bare-bones.tmpl template
> also worked fine.

Pushed with commit 2ca982ff41270288913ad6b7d5d9e1cad87b06d9.

Closing!

Maxim