Re: Systems unbootable

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El jue, 16-03-2023 a las 01:45 -0700, nihilistzsche escribió:
> Since I updated a few days ago with kernels 6.2.6 and lts 6.1.19 all
> of my systems (a pc acting as a headless server with normal kernel, a
> server with lts kernel, and a laptop with normal kernel) refuse to
> boot.  While trying to diagnose the server, it gets stuck on
> “Attempting to mount root”, which is a btrfs partition on an lvm
> volume.  If I boot into a rescue usb, all of my partitions mount
> successfully.  I’ve tried downgrading the kernel inside the rescue
> environment with no change, so I don’t believe it to be a kernel
> problem.  Journalctl holds no answers.  I can’t boot into rescuemode
> without usb either as it gets stuck trying to mount the root.  Any
> clue what could possibly be causing this?  It’s not a problem with
> impatience I left the server running for thirteen hours a day or so
> ago with it being unable to mount root.

Hi,

First of all, putting a btrfs partition in lvm I don't quite get it,
what for? btrfs already incorporates dynamic volumes so lvm is
completely unnecessary in this context (and is adding a layer of
difficulty / possible failure).

In any case, once you boot the system in rescue mode are you able to
access the data on the partition, can you write into it?

Greetings.

-- 
Óscar García Amor | ogarcia at moire.org | http://ogarcia.me

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