AWS Availability Zone (AZ)

An Availability Zone (AZ) is one or more discrete data centers with redundant power, networking, and connectivity in an AWS Region.

• https://aws.amazon.com/about-aws/global-infrastructure/regions_az/

• aws ec2 describe-availability-zones
• aws ec2 describe-instances | grep AvailabilityZone
• aws rds describe-db-instances | grep MultiAZ

Related terms

• AWS region: us-east-1d
• Multi-AZ: aws rds describe-db-instances | grep MultiAZ
• Resource Groups
• aws ec2 describe-subnets

Terraform

• Terraform: availability zone
• availability_zone Terraform aws_instance
• multi_az in Terraform aws_db_instance

Activities

• Best practices for converting a Single-AZ Amazon RDS instance to a Multi-AZ instance: https://aws.amazon.com/blogs/database/best-practices-for-converting-a-single-az-amazon-rds-instance-to-a-multi-az-instance/

See also

• AWS Availability Zone (AZ), Terraform: availability zone, Data Source: aws_availability_zones, Single-AZ, Multi-AZ
• Region, Availability Zone (AZ), AMI, ARN, Edge Locations, CPU credits, Placement groups, AWS: Placement groups