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Re: [GRUB PARTUUID PATCH V7 0/4] Add PARTUUID detection support

From: Daniel Kiper
Subject: Re: [GRUB PARTUUID PATCH V7 0/4] Add PARTUUID detection support
Date: Tue, 27 Mar 2018 23:00:31 +0200
User-agent: Mutt/1.3.28i


On Mon, Mar 26, 2018 at 11:07:55PM -0700, Nicholas Vinson wrote:


> Hello,
> This is a request to add PARTUUID detection support grub-probe for MBR
> and GPT partition schemes.  The Linux kernel supports mounting the root
> filesystem by Linux device name or by the Partition [GU]UID.  GRUB's
> mkconfig, however, currently only supports specifying the rootfs in the
> kernel command-line by Linux device name unless an initramfs is also
> present.  When an initramfs is present GRUB's mkconfig will set the
> kernel's root parameter value to either the Linux device name or to the
> filesystem [GU]UID.
> Therefore, the only way to protect a Linux system from failing to boot
> when its Linux storage device names change is to either manually edit
> grub.cfg or /etc/default/grub and append root=PARTUUID=xxx to the
> command-line or create an initramfs that understands how to mount
> devices by filesystem [G]UID and let grub-mkconfig pass the filesystem
> [GU]UID to the initramfs.
> The goal of this patch set is to enable root=PARTUUID=xxx support in
> grub-mkconfig, so that users don't have to manually edit
> /etc/default/grub or grub.cfg, or create an initramfs for the sole
> purpose of having a robust bootloader configuration for Linux.

Patches are in good shape right now. I have some questions WRT 3rd patch.
Please reply. If I am OK with explanations and there is no objections
I will this patch series in a week or so.


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