ReadonlyavailabilityAvailability zone of the subnet (e.g., us-east-1a). Must match the actual AZ of the specified subnet.
Use cases: Multi-AZ distribution; Fault tolerance; Geographic placement
AWS: Availability zone for OpenSearch node placement
Validation: Required; valid AZ name matching the subnet's AZ
ReadonlysubnetVPC subnet ID for OpenSearch node placement.
Use cases: VPC network isolation; Subnet-specific deployment
AWS: VPC subnet for OpenSearch domain nodes
Validation: Required; valid subnet ID in the specified VPC
Subnet placement configuration for OpenSearch domain nodes. Number of subnets must match or exceed the zone awareness availability zone count.
Use cases: Multi-AZ node placement; VPC subnet selection; Availability zone distribution
AWS: OpenSearch domain VPC subnet configuration
Validation: subnetId and availabilityZone required; must match actual subnet AZ