In 22 days, they had a combined downtime of 188 minutes (I'm assuming the two incidents cited were the only actual downtime incidents -- I feel like the blogger

In 22 days, they had a combined downtime of 188 minutes (I'm assuming the two incidents cited were the only actual downtime incidents -- I feel like the blogger would have linked to more if there were others). 22 days is 31680 minutes. That's a downtime ratio of 0.00593434343434, which is, what, 2-nines availability (I'm not super well-versed in this realm, is that the right term)? Is that decent, given the cost?