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SQL Server High Availability



Course Number



3 Days

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SQL Server provides a full range of technologies that allow organizations to reduce downtime and maintain high levels of availability. In this training course, you gain experience using SQL Server 2014 AlwaysOn technologies for building a variety of high availability solutions, and learn how to implement failover clustering, log shipping, database mirroring, and peer-to-peer transactional replication.

You Will Learn How To

  • Design a service level agreement that matches business requirements
  • Plan, prepare, and instal a SQL Server failover cluster
  • Mirror a database to ensure instant failover
  • Automate deployment with AlwaysOn technologies
  • Ensure business continuity through failover cluster

Important Course Information


  • Experience with database management at the level of:
    • Course 8464, Administering Microsoft SQL Server 2014 Databases (20462)
  • Working knowledge of Windows Server
  • The ability to backup and recover databases, and manage SQL Server security


  • Course exercises use SQL Server 2014, running on Windows Server 2012 Enterprise
  • This course is applicable to those using earlier versions of SQL Server

Course Outline

  • High-Availability Fundamentals

Characterizing high availability

  • The "five nines"
  • Site
  • Instance
  • Database
  • Defining a service level agreement

Planned vs. unplanned downtime

  • Performing routine maintenance
  • Recovering from disasters
  • Handling hardware failures
  • Installing Windows 2008 Failover Clustering

Defining components of a cluster

  • Single-instance architecture
  • Multi-instance architecture
  • Shared storage
  • Resource group
  • Heartbeat
  • Quorum

Preparing for Windows failover clustering

  • Configuring an iSCSI target
  • Managing shared storage
  • Installing the failover clustering feature
  • Establishing SQL Server Failover Clustering

Planning for SQL Server failover clustering

  • Determining the correct version of Windows Server
  • Upgrading to SQL Server 2012
  • Leveraging virtual machines for clustering

Creating a SQL Server failover cluster

  • Installing a new failover cluster
  • Adding a new node
  • Failing over to a passive node
  • Employing Log Shipping

Preparing for a warm standby server

  • Synchronizing logins
  • Creating network shares

Implementing transaction log shipping

  • Specifying log backup frequency
  • Configuring the log shipping monitor

Switching to the standby server

  • Redirecting applications
  • Bringing the standby online
  • Configuring Database Mirroring

Comparing mirroring architectures

  • High availability
  • High protection
  • High performance
  • Full safety vs. safety off

Getting ready for mirroring

  • Setting the recovery model
  • Selecting the principal, mirror and witness servers

Mirroring a database

  • Configuring the principal, mirror and witness servers
  • Initiating the mirroring session

Administering mirroring

  • Enabling and disabling mirroring with scripts
  • Launching the Database Mirroring Monitor (DMM)

Employing a mirror for reporting

  • Taking a database snapshot
  • Querying a snapshot of the mirror
  • AlwaysOn Availability Groups

Enhancing the capabilities of database mirroring

  • Database mirroring with multiple databases and multiple mirrors
  • Manually failing over a group of databases

Clustering and deployment

  • Multi-site clustering across subnets
  • Automating deployment using AlwaysOn PowerShell cmdlets
  • Monitoring the high-availability configuration using the AlwaysOn dashboard
  • Combining High-Availability Technologies

Selecting the appropriate strategies

  • Determining the pros and cons of each HA technology
  • Failover clustering with a mirror

Pulling it all together

  • Creating a complete high-availability solution
  • Evaluating the results
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Tuition due 30 days after you attend your course.

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Course Tuition Includes:

After-Course Instructor Coaching
When you return to work, you are entitled to schedule a free coaching session with your instructor for help and guidance as you apply your new skills.

Free Course Exam
You can take your Learning Tree course exam on the last day of your course or online at any time after class and receive a Certificate of Achievement with the designation "Awarded with Distinction."


Training Hours

Standard Course Hours:9:00 am – 4:30 pm

FREE Online Course Exam (if applicable) – Last Day:3:30 pm – 4:30 pm

By successfully completing your FREE online course exam, you will:

  • Earn College Credit Units — Many Learning Tree courses are recommended for College Credits, which are accepted by over 2,000 colleges and universities, and may qualify you to receive Tuition Reimbursement.
  • Receive a Certificate of Achievement with the designation "Awarded with Distinction."

Each Course Day - Informal discussion with instructor about your projects or areas of special interest:4:30 pm – 5:30 pm

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