scope:

The present document defines the current standpoint of ISG OEU members in relation to the operational measurement of energy performance and selection of ICT physical storage units.

It defines an energy performance operational KPI and its related measurement points, measurement protocols and transmission. The measured KPI is simply and unequivocally linked to the measured ICT physical storage unit.

It defines technical KPIs allowing to predict energy consumption and task efficiency for specific uses.

An ICT physical storage unit is equipment dedicated to storing permanent data with its own dedicated power supplies. The aforementioned KPIs apply to different configurations meeting specific requirements (e.g. resilience (raid mechanisms)), configuration type, I/O rate, I/O throughput, write ratio.