On Mon, Nov 30, 2020 at 2:38 AM Chris Murphy <li...@colorremedies.com>
wrote:

>
> There's a lot more than one way to do this. As one possible example:
>
> $ sudo mount /dev/nvme0n1p7 /mnt
> $ cd /mnt
> $ ls -li
> total 0
> 256 dr-xr-xr-x. 1 root root 1330 Nov 26 23:25 boot
> 256 dr-xr-xr-x. 1 root root 1966 Nov 23 22:43 boot.20201126
> 256 drwxr-xr-x. 1 root root   10 Jul 27 12:22 home
> 256 drwxr-xr-x. 1 root root   10 Jul 27 12:22 home.20201126-2
> 256 drwxr-xr-x. 1 root root   26 Nov  1 13:05 images
> 256 dr-xr-xr-x. 1 root root  132 Nov  5 18:23 root
> 256 dr-xr-xr-x. 1 root root  132 Nov  5 18:23 root.20201126
>
>
When I mount my root filesystem using:

$ cryptsetup luksOpen /dev/sda2 /dm_crypt
$ Enter Passphrase:
$ mount -t btrfs /dev/mapper/dm_crypt /mnt
$ ls

I get:
bin  boot  dev  etc  home  lib  lib64  lost+found  media  mnt  opt  proc
 root  run  sbin  srv  sys  tmp  usr  var

There is no listing of subcolumes. Where exactly are you getting that from ?

# mv root rootold
> # btrfs sub snap root.20201126 root
> # reboot
>
>
I can't do this because I have no idea what to mv on.

I think all my info is in the toplevel volume.

which is why I say the installer is not correctly setup for snapshots in
BTRFS.

-- 
Regards,
Sreyan Chakravarty
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