Re: GPT on RAID

[Dima Veselov <kab00m%lich.phys.spbu.ru@localhost>]

On Wed, Sep 28, 2022 at 09:42:11PM +0700, Robert Elz wrote:
>  | I put GPT on RAID device (because disk is large) and it seems no good
>  | way to root autoconfig.
>
> That's probably true, with the emphasis on "good" - but there is a way.
>
>  | If there any way to autoconfig or tell kernel via bootloader that
>  | my root reside on certain GPT partition which is on RAID device which
>  | is on GPT of two disks?
>
> I've had a setup essentially like that for years - you need to configure
> the raid with "-A root" to tell raidframe to claim the root partition
> (and autoconfigure itself), and the tricky (not good) part, the GPT
> partition that is to be the root must have a wedge name of raidNa (where
> raidN is the raid set).

[..skip..]

Wow, that is unexpectedly nice trick. Thank you, I will definitely try it.

--
Sincerely yours,
Dima Veselov
Physics R&D Establishment of Saint-Petersburg University