because 6 months from now I won't have 'tune2fs -m 0 /dev/sdaX' memorized, especially in a panic'ed state. but I'll absolutely have 'rm spacer.img' memorized.

because 6 months from now I won't have 'tune2fs -m 0 /dev/sdaX' memorized, especially in a panic'ed state. but I'll absolutely have 'rm spacer.img' memorized. (edit: also, if you truly set -m to zero, and you fill up again, now you can't even ssh in as root...)