roots?
>
> You could try 'mount -o usebackuproot,ro' and see if that's permissive
> enough to succeed.
That yields the same result
```
marble@archlinux ~ % sudo mount -o usebackuproot,ro /dev/mapper/black
/tmp/black
mount: /tmp/black: can't read superblock on /dev/mapper/black.
```
> I w
ce mapper setup for /dev/mapper/black?
> Is there anything like RAID here?
I think this is the result of luks. "black" is the name I passed to
cryptsetup open.
> Thanks,
> Qu
Cheers,
marble
superblock: bytenr=65536, device=/dev/mapper/black
-
er more, what's the device mapper setup for /dev/mapper/black?
> Is there anything like RAID here?
This is due to LUKS I think. "black" is the name I gave to cryptsetup open.
Cheers,
marble
superblock: bytenr=65536, device=/dev/mapper/black
---
the drive from the Pi and connecting it to my laptop
again, I couldn't mount it anymore. If I read the dmesg right, it now
thinks that it's part of a raid6.
btrfs check --repair also didn't help.
```
marble@archlinux ~ % uname -a
Linux archlinux 4.17.2-1-ARCH #1 SMP PREEMPT Sat Jun 16 11:08:59 UTC
2018