Designing a Highly Available Management Cluster for the Cloud
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This document discusses best practices for designing a highly available management cluster for cloud environments. It recommends hosting critical management services like Active Directory, databases, load balancers, and monitoring platforms within a dedicated management cluster for availability, manageability, stability, and troubleshooting. The management cluster should be designed to be resilient to failures through techniques like redundancy of components, disaster recovery planning, and data protection strategies. Infrastructure, software, and security considerations are also outlined.
Designing a Highly Available Management Cluster for the Cloud
- 1. Designing a Highly Available Management Cluster for the Cloud Arron Stebbing
- 2. Why a management cluster? • • • • Availability Manageability Stability Support and Troubleshoo?ng VMware vCloud Architecture Toolkit – 3a Architec7ng a VMware vCloud
- 4. Design Goals • • • • Design for Failure Design for Resilience Design for Data Integrity Design for Recoverability
- 5. Infrastructure • Hosts – 3 or more • Network – Dedicated • Storage – Dedicated / Converged
- 6. Not a Marke?ng Slide.
- 7. What is in my management cluster? • • • • • • • • • Ac?ve Directory / DNS Database (SQL/Oracle) VMware Appliances Message Bus (RabbitMQ) Load Balancers Monitoring PlaSorm Remote Access (View/Terminal Server) Time Services Syslog
- 8. Ac?ve Directory / DNS • • • • Server Core OS List Object Mode Cer?ficate Services Independent domain
- 9. Databases
- 10. VMware Stack • Use Appliances • Enable / Implement Core Features • Configure Alerts and SNMP
- 11. Message Bus • Enabling so much more!
- 12. Load Balancing • Virtual Appliances • Ensure Health Status • Load Balance Core Services – LDAP – DNS – Web Applica?ons
- 13. Vendor Applica?ons • Compute Management – Configura?on – Remote Management • Network Management – Single pane of glass – Version Control • Storage Management – GUI
- 14. Remote Access • Out of Band Management • Secure Access – RDP/SSH • VPN
- 15. Monitoring / Aler?ng • • • • Email Syslog SNMP SMS, Mobile • Consume everything!
- 16. Configura?on Management • Define standards • Maintain standards
- 17. Security • • • • • Isola?on Audi?ng Event and Change Tracking Change defaults Role based access controls
- 18. Mul? Site?
- 19. High Availability vs Disaster Recovery • • • • Requirements Availability RTO / RPO Supported?
- 20. Data Protec?on • • • • Configura?on Level Applica?on Level Image Level Storage Level
- 21. Right Sizing • Ignore Defaults • Start Small, Upscale Later • Don’t be scared!
- 22. Cost? • VMware Licensing • Microso^ Licensing • Third Party So^ware Costs • Open Source non cri?cal toolsets – IPAM – Syslog
- 23. Best Prac?ces and Recommenda?ons • • • • VMware vCloud Architecture Toolkit Microso^ Infrastructure Planning and Design Vendor documenta?on Blogs / Forums
- 24. Ques?ons?