Re: btrfs suddenly think's it's raid6

2018-06-29 Thread marble
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

Re: btrfs suddenly think's it's raid6

2018-06-29 Thread marble
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 -

Re: btrfs suddenly think's it's raid6

2018-06-29 Thread marble
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 ---

btrfs suddenly think's it's raid6

2018-06-29 Thread marble
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