Server Room Climate Monitoring
The IEM server resides in a room that is climate controlled by a dedicated heat exchanger. This page presents daily plots of logged temperatures from four one-wire sensors measuring ambient temperature.
Note: The archive begins July 24, 2003.
Select Date
Temperature Sensor Locations
In Air Handler
5 feet above floor at heat exchanger intake
Out Air Handler
Below sub floor where cooled air departs
In Rack
Front door of rack at 1 meter height
Out Rack
Back of rack at 1 meter height
Temperature Time Series
Notable Temperature Events
2008
Agronomy building loses chilled water supply, heat exchanger later gets backed up on local 'cooler' water.
2010
ISU Campus takes a power bump knocking out various utilities.
2010
Flooding impacts ISU campus and the chilled water is shut off for a while.
2013
Chilled water is turned off for an hour to check metering.
2016
Fan bracket is repaired on heat exchanger.
2019
Lightning strike knocks out chilled water and then power surge knocks out a few servers.
2020
ISU FP&M shuts down chilled water supply to do some local construction work.
2022
ISU FP&M shuts down chilled water supply to do some local construction work.
2022
ISU FP&M shuts down chilled water supply to do some local construction work.
2023
Fire at ISU FP&M shuts down chilled water supply.