Table of Contents

�1���� Scope������������
�2���� References���
�3���� Definitions���
������� 3.1���� Term defined elsewhere��
������� 3.2���� Terms defined in this Recommendation�����
�4���� Abbreviations and acronyms��
�5���� Introduction to best practices for green data centres����������
������� 5.1���� Role of best practices������
������� 5.2���� Value of practices������������
�6���� Planning, utilization, and management of data centres�����
������� 6.1���� Involvement of organizational groups��������
������� 6.2���� General policies
������� 6.3���� Resilience level and provisioning��
�7���� ICT equipment and services����
������� 7.1���� Selection of new ICT equipment��
������� 7.2���� Selection of new telecom equipment�����������
������� 7.3���� Deployment of new ICT services�
������� 7.4���� Deployment of new telecom services����������
������� 7.5���� Management of existing ICT equipment and services�������������
������� 7.6���� Data management����������
�8���� Cooling���������
������� 8.1���� Airflow design and management��
������� 8.2���� Cooling management�����
������� 8.3��� �Temperature and humidity settings�������������
������� 8.4���� Computer room air conditioners���
������� 8.5���� Re-use of data centre waste heat�
�9���� Data centre power equipment�
������� 9.1���� Selection and deployment of power equipment��������
������� 9.2���� Management of power equipment���������������
10���� Other data centre equipment��
������ 10.1���� General practices������������
11���� Data centre building�
������ 11.1���� Building physical layout���������������
������ 11.2���� Building geographic location��������
12���� Monitoring�
������ 12.1���� Energy use and environmental measurement����������
������ 12.2���� Energy use and environmental collection and logging������������
������ 12.3���� Energy use and environmental reporting���
������ 12.4���� ICT reporting���
13���� Design of network�����
Annex A � Possible methodology for cooling data centres by using� renewable energy in cold regions����
������� A.1���� Data centres in cold regions����������
������ A.2 �����General matters relating to data centre cooling���������
������ A.3 �����Outdoor air cooling���������
������� A.4���� Snow and ice cooling������
������� A.5���� Method of cooling data centres in cold regions���������
Annex B � Possible methodology for cooling data centres with high density ICT devices����
������� B.1���� Outline of air conditioning methods������������
������� B.2���� Selection of cooling systems suited to data centre specifications����������
Annex C � Practical solutions for correcting airflow direction for equipment����
������� C.1���� Requirements for correcting airflow direction for equipment�
Annex D � Minimum data set for controlling data centre equipment for energy saving management in data centres����
Appendix I � Validation test of a data centre cooling method using� renewable energy in a cold region����
������ I.1 �����Background and purpose of the test������������
������� I.2���� Overview of the test���������
������ �I.3���� Test results���������
������� I.4���� Prediction of annual energy consumption���
������� I.5���� Conclusion���������
Appendix II � Potential for primary energy savings in TLC/ICT centres through free cooling����
������ II.1���� Introduction������
������ II.2���� Probabilistic model for the inlet conditions�
������ II.3���� Room temperature����������
������ II.4���� Energy analysis
Appendix III � Verification test and feasibility study of energy and space efficient cooling systems for data centres with high density ICT devices� ���
����� III.1���� Introduction�����
����� III.2���� Outline of verification and testing���������������
���� III.3 �����Verification testing and results�����
���� III.4 �����Trial calculations of energy conservation benefits in application to a full-scale data centre����
Appendix IV � Experimental studies on plates and ducts installed� at equipment inlets and outlets����
����� Page
������ IV.1���� Problem description of practical solutions for correcting airflow direction for equipment����
������ IV.2���� Examples of practical solutions��
������ IV.3���� Experimental result��������
Appendix V � Rationale for minimum data set for evaluating energy efficiency and for controlling data centre equipment in view of power saving����
������� V.1���� Introduction�����
������� V.2���� Definitions��������
������� V.3���� Data set necessary for evaluation of energy efficiency in data centres���������������
������� V.4���� Data set necessary for coordinated control to save power in data centres����������
������� V.5���� Summary of minimum data set and gap analysis with other standardization works�������
Bibliography����