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Cloud Config:Idle disk check for ECS instances

Last Updated:Jun 22, 2026

An ECS disk is considered compliant if its maximum usage within a specified period meets or exceeds a specified threshold. Instances not connected to Cloud Monitor are marked as not applicable. The default check period is 7 days. The check uses the Cloud Monitor API and consumes the free basic monitoring quota. For better accuracy, enable Hybrid Cloud Monitoring. For billing details, see Billing of Cloud Monitor.

Risk level

Default risk level: Low.

You can change the risk level as needed.

Detection logic

  • An ECS disk is considered compliant if its maximum usage within a specified period meets or exceeds a specified threshold. Instances not connected to Cloud Monitor are marked as not applicable. The default check period is 7 days. The check uses the Cloud Monitor API and consumes the free basic monitoring quota. For better accuracy, enable Hybrid Cloud Monitoring. For billing details, see Billing of Cloud Monitor.

Rule details

Parameter

Description

Rule name

Idle disk check for ECS instances

Rule identifier

ecs-disk-max-utilization-check

Tag

ECS

Automatic remediation

Not supported

Rule trigger

Periodic

Trigger frequency

24 hours

Supported resource types

ACS::ECS::Instance

Input parameters

relativeTime (Default value: 168)
utilization (Default value: 30)

Remediation guide

To remediate non-compliant resources, see Monitor hosts.