# ls -la /sys/fs/bcache total 0 drwxr-xr-x 3 root root 0 Oct 3 14:39 . drwxr-xr-x 6 root root 0 Oct 2 16:32 .. drwxr-xr-x 7 root root 0 Oct 3 14:50 8246b830-95d4-420d-aff8-894efc348801 --w------- 1 root root 4096 Oct 3 14:39 register --w------- 1 root root 4096 Oct 3 14:50 register_quiet # echo 8246b830-95d4-420d-aff8-894efc348801 > /sys/block/bcache0/bcache/attach bash: echo: write error: Invalid argument What's the problem here? Thanks, Stan -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html