make-bcache: Device or resource busy
When setting up bcache, I ended up being halfway there. Bcache could not be set up, because it's not a blank block device.
Wiping up the partition would not work as bcache is already using it for something
Also detaching the device from bcache won't work, since the bcache0 is not really there yet.
sudo make-bcache -C /dev/sda3 -B /dev/sdb1 --wipe-bcacheDevice /dev/sda3 already has a non-bcache superblock, remove it using wipefs and wipefs -a
Wiping up the partition would not work as bcache is already using it for something
sudo wipefs -a /dev/sda3
wipefs: error: /dev/sda3: probing initialization failed: Device or resource busy
Also detaching the device from bcache won't work, since the bcache0 is not really there yet.
echo eb99feda-fac7-43dc-b89d-18765e9febb6 > /sys/block/bcache0/bcache/detachSeems the solution was to stop the bcache instead:
cd /sys/block/bcache0 bash: cd: /sys/block/bcache0: No such file or directory
cd /sys/fs/bcache/eb99feda-fac7-43dc-b89d-18765e9febb6
sudo sh -c "echo 1 > stop"
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