Azure Classroom Series – 20/Jan/2021

Azure Automatic Failover groups

• The failover group feature allows azure SQL product manage automatically failover of databases
• Failover is a backup operational mode in which databases are assumed by secondary databases. when primary database goes down.
• Failover is extremely important for mission critical system that must be constantly available
• Creating an Auto failover group

Scenario:

• For test environment setup for our application every night at 12:30 AM we need to create a new Azure SQL Database
• Automating Database creation sounds like an option
• Azure provides two command line interfaces
  • Azure CLI:
    • Built using python
    • Can be executed on linux/windows/mac machines
  • Azure Powershell
    • Built using Powershell Cmdlets
    • Suitable for execution from Windows Servers

Creating an Azure SQL Database using Azure CLI

• Azure CLI Commands will be in the form az <service> <subresource> <action> --parameter1 value1 ... --parametern valuen
• Sample azure cli command az group create --name sample --location eastus
• Configuring Azure Login (Execute az login)
• Ensure Azure CLI Tools extension is installed in Visual Studio Code
• To install visual studio and other softwares required Refer Here
• To find the command Navigate Here
• To Create Azure SQL Database
  • We need to have/create a resource group