AWS drs: Note: instance type matching uses source processor architecture
Summary
Adds a note explaining that DRS matches only instance types with the source server's processor architecture and does not fall back to x86_64 for arm64 sources.
Security assessment
Describes instance-type selection behavior and launch failure conditions; purely operational, no security relevance.
Evidence
Elastic Disaster Recovery matches only instance types that use the processor architecture of the source server. For an `arm64` source server, the launch uses AWS Graviton instance types. If your instance requirements exclude every `arm64` instance type, the launch fails. Elastic Disaster Recovery does not fall back to an `x86_64` instance type.
Diff
diff --git a/drs/latest/userguide/flexible-instance-types.md b/drs/latest/userguide/flexible-instance-types.md index 7f4eee649..6ee08928e 100644 --- a//drs/latest/userguide/flexible-instance-types.md +++ b//drs/latest/userguide/flexible-instance-types.md @@ -16,0 +17,4 @@ Using attribute based instance type selection allows you to specify attributes t +###### Note + +Elastic Disaster Recovery matches only instance types that use the processor architecture of the source server. For an `arm64` source server, the launch uses AWS Graviton instance types. If your instance requirements exclude every `arm64` instance type, the launch fails. Elastic Disaster Recovery does not fall back to an `x86_64` instance type. +