2009-03-30 Lesson learned today: certain dell rackm ... 10 years ago
Lesson learned today: certain dell rackmount servers signal loss of power in one power supply by running the cooling fans at maximum speed. The power supply in the most unreachable corner of the rack. And finding the source of the noise is hard when you have a rack full of them ("Somewhere in the area of adonis..").
And here I was looking for the airflow obstruction I created when changing some kvm cables.