apt install bcache-tools
modprobe bcache
echo 'bcache' >> /etc/modules
dd if=/dev/zero of=/dev/sdb bs=512 count=8
dd if=/dev/zero of=/dev/sdc bs=512 count=8
wipefs -a /dev/sdb
wipefs -a /dev/sdc
make-bcache -B /dev/sdb -C /dev/sdc
apt install bcache-tools
modprobe bcache
echo 'bcache' >> /etc/modules
dd if=/dev/zero of=/dev/sdb bs=512 count=8
dd if=/dev/zero of=/dev/sdc bs=512 count=8
wipefs -a /dev/sdb
wipefs -a /dev/sdc
make-bcache -B /dev/sdb -C /dev/sdc