The HPCC posts service information in a number of places depending on severity.
All system information will at a minimum be posted to the forums. Please see the Announcements and Center Updates areas.
http://forums.hpcc.msu.edu
In addition, critical system outages are posted to the campus central IT status page: http://servicestatus.msu.edu
Users can check the health of HPCC systems by using Ganglia: Ganglia