PUE in an Imperfect World Last week I started discussing the instrumentation and measurement of PUE when the data center shares resources with other facilities. The most common shared resource is chilled water, such as…
Read more
Measuring PUE with Shared Resources TL;DR: Measuring PUE in data centers that share mechanical resources (such as a campus chilled-water system) requires allocating the shared cooling system’s power consumption proportionally. The ideal approach uses sub-metered…
Executive Summary Colocation providers and MSPs require per-customer, rack-level power monitoring that standard enterprise data centers do not need. This granular data supports accurate customer billing, real-time portal reporting, PUE and carbon management, and multi-site…
Executive Summary Data center monitoring has historically been hard to deploy because facilities equipment vendors built proprietary, poorly documented management protocols that resist integration with standard IT tools. While IT gear standardized on SNMP years…
Executive Summary An estimated 20–30% of data center servers are “zombies”: powered on but performing no productive work, yet consuming 60–70% of their maximum rated power. These idle devices waste power, cooling capacity, and rack…
