If you're not writing data very often, this isn't a concern. For example, if you assume 5 microseconds to write a line, and 1 line written per hour on average,

If you're not writing data very often, this isn't a concern. For example, if you assume 5 microseconds to write a line, and 1 line written per hour on average, then the chance that the power goes out while you're writing a line is 10^-9, i.e. will never happen.