On Sat, 28 Feb 2015 01:46:15 -0500 Tim Dunphy wrote:
/dev/sda1 9.9G 9.3G 49M 100% /
49mb out of 9.9gb is less than one-half of one percent, so the df command is probably rounding that up to 100% instead of showing you 99.51%. Whatever is checking for free disk space is likely doing the same thing.