Course Description
This three-day instructor-led course is designed for database administrators and Windows engineers to familiarize them with the concepts in SQL AlwaysOn and High Availability. The course utilizes SQL 2016, but explains the differences from SQL 2012- SQL 2014.
Course Objectives
- Understand Always On High Availability
- Employ Server 2016 Failover Clustering
- Deploy SQL Failover Clusters
- Work with Availability Groups
- Perform maintenance
- Monitor and Troubleshoot Availability Groups
Course Outline
1 - Introduction
2 - ALWAYSON AND HIGH AVAILABILITY CONCEPTS AND TERMINOLOGY
- Concepts and Terminology
- Table of Availability
- High Availability
- Causes of Downtime
- Planned downtime
- Unplanned downtime
- Disaster Recovery
- Recovery Time Objective (RTO)
- Recovery Point Objective (RPO)
- Recovery Level Objective (RLO)
- Storage Area Networks (SAN)
- Edition Changes from SQL 2012
- SQL Server 2014 Changes
- SQL Server 2016 Changes
- Legacy Solutions prior to Always On
- Failover Cluster Instances
- Log Shipping
- A Typical Log Shipping Configuration
- Monitor Server
- Replication
- Database Mirroring
- Database Mirroring Terminology
- Principle
- Mirror
- Witness (red box in image above)
- Database Snapshots
- Limitations of legacy solutions:
- What do we mean by Always On?
- Table of Always On Comparison
3 - WINDOWS SERVER 2016 FAILOVER CLUSTERING
- Understanding Failover Clustering in Server 2016
- Statefull High Availability Solution
- Supported in both Standard and Datacenter
- Servers should run similar hardware
- Should run same edition
- Hyper-V best with datacenter
- Certified for Windows server logo
- Shared Storage
- Quorums
- Node Majority
- Node and Disk Majority configuration:
- Node and File Share Majority
- No Majority
- Configuration
- Cluster Networks Best Practices
- Connection to nodes to shared storage
- Private network for internal cluster
- Public network for client connections
- Cluster Aware Updating
- Virtual Machine Failover Clustering
- Preferred Owners
- Failover Failback
- Resources
- Dependences
- Heartbeat
4 - SQL 2016 FAILOVER CLUSTER INSTANCES
- Failover Cluster Instance
- As A FCI Appears To A Client
5 - SQL 2016 ALWAYS ON AVAILABILITY GROUPS
- Availability Groups and Replicas
- Primary Replica
- Secondary Replicas
- Availability Group Listener
- Availability Mode
- Synchronous Commit Mode
- Asynchronous Commit Mode
- Failover Modes
- Automatic Failover Without Data Loss
- Automatic Failover Requirements:
- Manual
- Manual Failover Requirements
- Common Topologies
6 - The Dashboard
- The Dashboard
- How to view logs
- Using replication with Logins
- Using partially contained databases
7 - Active Secondary Availability Group Actions
- Reporting with Secondary Replicas
- Configuring a Readable secondary
- Read-Only Routing
- Load Balancing
- Lab: Configure a Read-Only Secondary
- Database Backups with Secondary
- Steps of Backup Using secondary
- Backup Preference Options
8 - Maintenance
- DBCC Checks
- Database Adding and Removing
9 - MONITORING AND TROUBLESHOOTING AVAILABILITY GROUPS
- The Dashboard in Depth
- Events
- Policy Based Managemnt for Availability Groups
Course Prerequisites
- Experience as SQL DBA, Experience as Windows IT PRO
Course Information
Length: 3 day
Format: Lecture and Lab
Delivery Method: Virtual
Max. Capacity: 16
Schedule
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