In this case, the application itself does not use the disk in question, so the old version kept chugging along obliviously. We actually did have monitoring on

In this case, the application itself does not use the disk in question, so the old version kept chugging along obliviously. We actually did have monitoring on the capacity of the disk in question. We discovered during the analysis that it had been alerting the responsible team all day. They had just been ignoring it.