Designing a Highly Available Management Cluster for the Cloud
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Transcript of Designing a Highly Available Management Cluster for the Cloud
Designing a Highly Available Management Cluster for the Cloud
Arron Stebbing
Why a management cluster?
• Availability • Manageability • Stability • Support and Troubleshoo?ng
VMware vCloud Architecture Toolkit – 3a Architec7ng a VMware vCloud
Simple or Complex?
Design Goals
• Design for Failure • Design for Resilience • Design for Data Integrity • Design for Recoverability
Infrastructure
• Hosts – 3 or more
• Network – Dedicated
• Storage – Dedicated / Converged
Not a Marke?ng Slide.
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
Ac?ve Directory / DNS
• Server Core OS • List Object Mode • Cer?ficate Services • Independent domain
Databases
VMware Stack
• Use Appliances • Enable / Implement Core Features • Configure Alerts and SNMP
Message Bus
• Enabling so much more!
Load Balancing
• Virtual Appliances • Ensure Health Status • Load Balance Core Services – LDAP – DNS – Web Applica?ons
Vendor Applica?ons
• Compute Management – Configura?on – Remote Management
• Network Management – Single pane of glass – Version Control
• Storage Management – GUI
Remote Access
• Out of Band Management • Secure Access – RDP/SSH • VPN
Monitoring / Aler?ng
• Email • Syslog • SNMP • SMS, Mobile
• Consume everything!
Configura?on Management
• Define standards
• Maintain standards
Security
• Isola?on • Audi?ng • Event and Change Tracking • Change defaults • Role based access controls
Mul? Site?
High Availability vs Disaster Recovery
• Requirements • Availability • RTO / RPO • Supported?
Data Protec?on
• Configura?on Level • Applica?on Level • Image Level • Storage Level
Right Sizing
• Ignore Defaults • Start Small, Upscale Later • Don’t be scared!
Cost?
• VMware Licensing • Microso^ Licensing • Third Party So^ware Costs
• Open Source non cri?cal toolsets – IPAM – Syslog
Best Prac?ces and Recommenda?ons
• VMware vCloud Architecture Toolkit • Microso^ Infrastructure Planning and Design • Vendor documenta?on • Blogs / Forums
Ques?ons?