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2. Objectives List the environmental factors that should be considered when placing and maintaining server equipment Describe the components of server and rack cooling systems Understand the requirements for specifying and installing HVAC systems 4.2 Environment and Maintenance 304

3. Identify tasks o Monitoring performance and hardware status o Performing backups o Resolving and recording errors o Cleaning and environmental checks o Identifying security threats and measures o Detecting and resolving security breaches and intrusions Responsibilities Standard Operating Procedures (SOPs) Feedback and change management Server Management Plan 4.2 Environment and Maintenance 304

4. Physical Inspection Software Inspection Physical Service Preventive Maintenance 4.2 Environment and Maintenance 304

5. Server Chassis Features Power / reset Diagnostics o Power o System health o UID (Unique ID) o NIC(s o Hard drive online o Hard drive activity o Optical disc 4.2 Environment and Maintenance 305

6. Shutting Down Windows Close processes and complete disk writes in an orderly manner Rights Shut Down Event Tracker Monitoring sessions shutdown command switches 4.2 Environment and Maintenance 307

7. Shutting Down Linux Rights (/etc/sudoers) shutdown command switches 4.2 Environment and Maintenance 309

8. Network services (DHCP, DNS, Domain Controllers) Shared data storage Back-end databases and middleware Front-end application servers Server Startup Sequence 4.2 Environment and Maintenance 311

9. Server Cooling Thermal Design Power (TDP) Passive cooling o Heatsink Active cooling o Fan o Shrouds / baffles o Redundant cooling o Liquid cooling Ventilation and airflow 4.2 Environment and Maintenance 311

10. Heating, Ventilation, and Air Conditioning (HVAC) Computer Room Air Conditioner (CRAC) Temperature and humidity o Controlled environment o High heat / humidity causes components to fail o Cool, dry conditions increase likelihood of ESD HVAC 4.2 Environment and Maintenance 314

11. Environmental Monitoring Controls computer room / data center environment Rack-based units Dust filters 4.2 Environment and Maintenance 314

12. Device Placement and Airflow Service clearance Hot aisle / cold aisle Preventing air leaks o Blanking / filler panels o Baffles o Strip curtains Thermal output calculations (BTU) Dust 4.2 Environment and Maintenance 315

13. Review List the environmental factors that should be considered when placing and maintaining server equipment Describe the components of server and rack cooling systems Understand the requirements for specifying and installing HVAC systems 4.2 Environment and Maintenance 318

14. Labs Lab 12 / Maintenance Tasks 4.2 Environment and Maintenance