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Bug#840248: debian-installer: Add btrfs subvolume setting for snapshot



On 12/19/2016 05:49 AM, Nicholas D Steeves wrote:
> Which rescue mode, and where?  Please tell me so I can fix it!  From
> what I've read, setting a default subvolid != 5 was explored by other
> distributions, and abandoned.

rescue-mode is in [0]. That presents you with a menu where you can
select local root filesystems. That should somehow DTRT instead of
mounting the top-level btrfs filesystem with the root filesystem being
below. I suppose it'd be also ok to mount it as-is, as long as the shell
is spawned in the right place. (Although that might be surprising.)

The mode is triggered by passing "rescue/enable=true" on the kernel
command-line. d-i ships with boot menu items that do this.

Kind regards
Philipp Kern

[0] https://anonscm.debian.org/cgit/d-i/rescue.git/tree/

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