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Module 10 Planning High Availability and Disaster Recovery

Module 10 Planning High Availability and Disaster Recovery. Module Overview. Choosing a High-Availability Solution Planning a Backup and Restore Strategy. Lesson 1: Choosing a High-Availability Solution. Discussion: What Potential Disasters Can you Protect Against? What Is RAID?

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Module 10 Planning High Availability and Disaster Recovery

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  1. Module 10Planning High Availability and Disaster Recovery

  2. Module Overview • Choosing a High-Availability Solution • Planning a Backup and Restore Strategy

  3. Lesson 1: Choosing a High-Availability Solution • Discussion: What Potential Disasters Can you Protect Against? • What Is RAID? • What Is Network Load Balancing? • What Is Failover Clustering? • Failover Cluster Requirements • Failover Clustering Scenarios • Choosing Between NLB and Failover Clustering

  4. Discussion: What Potential Disasters Can you Protect Against? What potential disasters does your IT infrastructure face? 15 min

  5. What Is RAID?

  6. What Is Network Load Balancing? Client Request Accept? Accept? Accept? Accept? Network Load Balancing Host Dedicated IP: 10.1.1.2 Virtual IP: 10.1.1.1 No Network Load Balancing Host Dedicated IP: 10.1.1.3 Virtual IP: 10.1.1.1 No Network Load Balancing Host Dedicated IP: 10.1.1.4 Virtual IP: 10.1.1.1 Yes Client Network Load Balancing Host Dedicated IP: 10.1.1.5 Virtual IP: 10.1.1.1 No Network Load Balancing provides high availability and scalability for TCP/IP-based services.

  7. What Is Failover Clustering? A failover cluster is a group of independent computers that work together to increase the availability of applications and services Failover clusters include: • A new validation feature to ensure that the system, storage, and network configuration is suitable for a cluster • Improved cluster setup • Simplified configuration interface • Improved stability and security, which increases availability • Improved cluster communication with storage, which improves the performance of a storage area network (SAN) or direct attached storage (DAS) • Configuration options that eliminate the need for the quorum as a single point of failure • Improvements to the software infrastructure, networking, and security, which increase reliability and availability

  8. Failover Cluster Requirements Network adapters and cable Servers Device controllers or appropriate adapters Storage

  9. Failover Clustering Scenarios Application Server File Server Hyper-V™ Server Database Server

  10. Choosing Between NLB and Failover Clustering

  11. Lesson 2: Planning a Backup and Restore Strategy • Basics of Backup • Discussion: What Needs to Be Backed Up? • What Are Shadow Copies? • Shadow Copy Considerations • Discussion: Backup Considerations

  12. Basics of Backup What data to back up Who should perform the backup What media to store on Where to store media backups

  13. Discussion: What Needs to Be Backed Up? What data will you back up? 15 min

  14. What Are Shadow Copies? • Shadow copies provide iterative versions of network folders • Use shadow copies to: • Recover files • Review previous versions • Shadow copies are: • Enabled per volume • Not a replacement for regular backups • Allocated storage limits versions

  15. Shadow Copy Considerations

  16. Discussion: Backup Considerations How will you implement a backup strategy? 15 min

  17. Lab: Planning High Availability and Disaster Recovery • Exercise 1: Planning for Branch Office High Availability and Data Recovery • Exercise 2: Implementing the High Availability and Disaster Recovery Plan Logon information Estimated time: 60 minutes

  18. Lab Scenario • The sales department at A. Datum Corporation has an application that has a Web-based front end. The back end is provided by a Microsoft SQL Server database application. • Recently, a failure in the front end caused system unavailability for several hours. Joe Healy, the Sales manager, has contacted Allison Brown, the IT manager, and requested she finds a solution to the availability issue.

  19. Module Review and Takeaways • Review Questions

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