This module explains the course and objectives.

Introduction

After completing this module, students will be able to:

Course introduction

This module will introduce the participants to the concepts and terminology used in the course.

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

After completing this module, students will be able to:

Terminology

SQL 2014 Changes

SQL2016 Changes

Understand the role of the SANS

Failover clustering is covered in this module and is a critical feature of AlwaysOn High Availability.

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

Lab: Set up iSCSI Server

Lab: Install the iSCSI VMS

Lab: Add Servers to Server Manager for Ease of Management

Lab: Add the Windows Cluster Feature to SQL1, SQL2 And SQL3

Lab: Create the iSCSI Initators to add the shared storage

Lab: Create the Windows Cluster

Lab: Add a Clustered Service

Lab: Test The Failover Of The Windows Service

Lab: Delete Role

Lab: Examine the Quorum Settings

After completing this module, students will be able to:

ISCSI Setup

Work with Roles

Understand Quorums

Understand Windows Failover

Understand Cluster Service

Understand Preferred Owners

Understand Node Majority

In this module we move from the generic failover clustering to the specifics involving SQL.

Failover Cluster Instance

As A FCI Appears To A Client

Lab: Create A Configuration File By Running The Advanced Cluster Preparation Wizard

Lab: Complete The SQL Cluster Installation On SQL1

Lab: Install The Cluster On SQL2 And SQL3

Lab: Test the SQL Cluster

After completing this module, students will be able to:

Cluster Testing

Understand Configuration Files

Install Clusters

Within the failover clusters of SQL are the concept of Availability groups and their enhancements with the release of SQL 2016 which is the focus of this module.

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

Lab: Create a SQL Instance For The Availability Group

Lab: Enable the SQL Server AlwaysOn Availability Group Feature

Lab: Set Up For Availability Groups

Lab: The Availability Group Wizard

Lab: SSMS and Availability Groups

After completing this module, students will be able to:

Enable AlwaysOn

Understand and work with availability Groups

Managing AlwaysOn High Availability groups wit SQL 2016 is accomplished with the Dashboard. This module will demonstrate the skills necessary for the accomplishment of the management tasks.

The Dashboard

How to view logs

Using replication with Logins

Using partially contained databases

Lab: The Dashboard

Lab: Replicating Logins and Jobs

Lab: Contained or Partially Contained Databases

After completing this module, students will be able to:

Understand the Dashboard

Perform Logon and Job replication

Within Availability groups you may have Active secondary SQL which is covered and demonstrated in this module.

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

Lab: Database Backup Using Secondary Replica

Lab: Configure a Read-Only secondary

After completing this module, students will be able to:

Perform backups with Secondary Replicas

Configure a Read-Only Replica

In this module you explore maintenance procedures for AlwaysOn High Avialability Groups.

DBCC Checks

Database Adding and Removing

Lab: Add a Database

Lab: Remove a Database

Lab: Add a Replica

Lab: Remove a Replica

After completing this module, students will be able to:

Add and Remove Databases

Add and Remove Replicas

In this the final module you will learn how to monitor the clusters and Availability groups and various common troubleshooting procedures.

The Dashboard in Depth

Events

Policy Based Managemnt for Availability Groups

Lab: Dashboard Wizards

Lab: Create an Extended Event Session

Lab: Using T-SQL

Lab: Policy based management for Availability Groups

Lab: Observe a Policy In Action

Lab: Create Three Conditions To Be Used In The RTO And RPO Policies

Lab: Create Two Policies RTO and RPO

Lab: Test The Policies

Lab: Change Endpoint Owner

After completing this module, students will be able to:

Change Owners

Work with Policies

Work with Extended Events