AWS drs: Update supported architectures and failback requirements
Summary
Updates installation requirements to document arm64 Linux support for AWS-to-AWS recovery and clarifies Failback Client x86_64-only support.
Security assessment
Documents supported OS architectures and failback boot mode; compatibility guidance with no security implications.
Evidence
AWS Elastic Disaster Recovery supports 64-bit operating systems on the `x86_64` architecture. AWS Elastic Disaster Recovery also supports 64-bit Arm (`arm64`) Linux source servers on AWS Graviton-based Amazon EC2 instances that recover to AWS. Elastic Disaster Recovery supports `arm64` only for AWS-to-AWS recovery. For details, see [AWS DRS supported Linux operating systems](./Supported-Operating-Systems-Linux.html).
Diff
diff --git a/drs/latest/userguide/installation-requirements.md b/drs/latest/userguide/installation-requirements.md index ff87304b3..877ab108e 100644 --- a//drs/latest/userguide/installation-requirements.md +++ b//drs/latest/userguide/installation-requirements.md @@ -49 +49 @@ Elastic Disaster Recovery Agents can only be installed on instances that are in - * AWS Elastic Disaster Recovery only supports 64-bit operating systems built for the x86 system architecture. + * AWS Elastic Disaster Recovery supports 64-bit operating systems on the `x86_64` architecture. AWS Elastic Disaster Recovery also supports 64-bit Arm (`arm64`) Linux source servers on AWS Graviton-based Amazon EC2 instances that recover to AWS. Elastic Disaster Recovery supports `arm64` only for AWS-to-AWS recovery. For details, see [AWS DRS supported Linux operating systems](./Supported-Operating-Systems-Linux.html). @@ -78 +78 @@ Ensure that your Linux source server meets the following installation requiremen - * When performing a failback for a Linux server, you must boot the Failback Client with BIOS boot mode. + * When performing a failback for a Linux server, you must boot the Failback Client with BIOS boot mode. The Failback Client supports `x86_64` servers only. For `arm64` source servers, fail back within AWS. See [Performing a failback with Elastic Disaster Recovery](./failback-performing-main.html).