Re: cannot boot after installation on VPS (via rescue system)

[jbranso]

February 21, 2024 at 4:54 AM, "Giovanni Biscuolo" <g@xelera.eu> wrote:



> 
> Hello,
> 
> following the good guidelines from (info "(guix-cookbook) Running Guix
> on a Kimsufi Server") and (info "(guix-cookbook) Running Guix on a
> Linode Server") I'm developing a shell script to automate the "manual"
> installation of Guix on bare metal and VPS, you can find it attached to
> this email as bootstrap-guix.sh or at this git repo URL:
> https://gitlab.com/softwareworkers/swws/-/blob/master/infrastructure/hosts/cornouiller/bootstrap-guix.sh?ref_type=heads
> 
> The main purpose of the script is to allow me to install Guix on
> machines (bare metal or virtual) hosted by vendors who do not offer Guix
> in their OS installation options, since almost all vendors provides a
> rescue system that can be used to "manually" set up the environment,
> partition the target disk and lastly "guix system init..."
> 
> I've extensively tested the script locally (on bare metal and QEMU VMs),
> both booting the machines via grml [1] and Guix install image and it
> works as expected; I've also used it to install Guix on some bare metal.
> 
> Now I'm trying to use it on two VPS from two different vendors, booted
> in rescue mode, but after the installation (via bootstrap-guix.sh) when
> I reboot the VPS I get the usual grub menu but the boot process suddenly
> fails with this error (manually copied from web console, sorry for
> possible typos):
> 

I just logged into my linode server...your script defaults to a btrfs
filesystem right?  When I tried to add an additional disk in linode
just now, the only supported filesystem was ext4.  Does linode support
btrfs?

Joshua 

> --8<---------------cut here---------------start------------->8---
> 
> Scanning for Btrfs filesystems
> ice-9/boot9.scm:1685:16: In procedure raise-exception:
> In procedure mount: No such file or directory
> GRUB loading...
> Entering a new prompt. Type ',bt' for a backtrace or ',q' to continue.
> [...]
> scheme@(guile-user)> ,bt
> In gnu/build/linux-boot.scm:
>  637:8 3 (_)
>  435:8 2 (mount-root-filesystem "/dev/sda3" "btrfs" # _ #:flags ?)
> In unknown file:
>  1 (mount "/dev/sda3" "/root" "btrfs" 0 "compress=zstd")
> In ice-9/boot9.scm:
>  1685:16: 0 (raise-exception _ #:continuable? _)
> 
> --8<---------------cut here---------------end--------------->8---
> 
> In particular, I don't understand why the boot script is trying to mount
> the root filesystem at "/root" and not at "/" as it should: am I missing
> something?
> 
> I suspect that the issue depends on how the rescue system root is
> mounted (overlay filesystem) but I'm not sure; I cannot find a solution.
> 
> I'm also attaching:
> 
> - bootstrap-config.scm: automatically generated by the script and used
> by "guix system init..."
> 
> - bootstrap-mount-points.txt: automatically collected during installation
> 
> You can find all the files also here:
> https://gitlab.com/softwareworkers/swws/-/tree/master/infrastructure/hosts/cornouiller?ref_type=heads
> 
> Any idea please? :-O
> 
> Happy hacking! Gio'
> 
> [1] https://grml.org/, a rescue system based on Debian
> 
> -- 
> Giovanni Biscuolo
> 
> Xelera IT Infrastructures
>