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ECS Disk Zone-Redundant ESSD Storage

ID: rule:aliyun:ecs-disk-regional-auto-check
Severity: low
IaC Types: ROS, Terraform

Description​

ECS data disks should use zone-redundant ESSD storage for high availability. System disks are not applicable to this rule.

Reason for Violation​

The ECS data disk does not use zone-redundant storage, which may affect data availability.

Recommendation​

Use zone-redundant ESSD storage by setting DiskCategory to 'cloud_regional_disk_auto' or 'cloud_essd' with appropriate redundancy configuration.

Resource Types​

  • ROS: ALIYUN::ECS::Disk
  • Terraform: alicloud_disk
  • Terraform: alicloud_ecs_disk