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Help Center/ Elastic Volume Service/ User Guide (Paris Region)/ Viewing EVS Monitoring Data (Agent Installed and Simplified Monitoring Metrics Used)

Viewing EVS Monitoring Data (Agent Installed and Simplified Monitoring Metrics Used)

Updated on 2024-03-26 GMT+08:00

Description

This section describes the EVS-related metrics included in the OS metrics supported by ECS. The agent of the latest version is used with simplified monitoring metrics.

After installing the agent on an ECS, you can view its EVS-related metrics included in the OS monitoring metrics.

For instructions about how to install and configure the agent, see section "Agent Installation and Configuration" in the Cloud Eye User Guide.

Monitoring Metrics

Table 1 EVS-related metrics

Metric

Name

Description

Value Range

Monitored Object

Monitoring Period

mountPointPrefix_disk_free

(Agent) Available Disk Space

Available disk space on the monitored object

Unit: GiB

  • Linux: Run the df -h command to check the value in the Avail column. The path of the device name prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~).
  • Windows: Obtain the metric value using the WMI API GetDiskFreeSpaceExW. The path of the device name prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~).

≥0 GiB

ECS

5 minutes in average

mountPointPrefix_disk_usedPercent

(Agent) Disk Usage

Percentage of total disk space that is used, which is calculated as follows: Disk Usage = Used Disk Space/Disk Storage Capacity.

Unit: Percent

  • Linux: Obtain the metric value using the following formula: Disk Usage = Used Disk Space/Disk Storage Capacity. The path of the device name prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~).
  • Windows: Obtain the metric value using the WMI API GetDiskFreeSpaceExW. The path of the device name prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~).

0-100%

ECS

5 minutes in average

mountPointPrefix_disk_ioUtils and volumePrefix_disk_ioUtils

(Agent) Disk I/O Usage

Percentage of the time that the disk has had I/O requests queued to the total disk operation time

Unit: Percent

  • Linux:

    The disk I/O usage is calculated based on the data changes in the thirteenth column of the corresponding device in file /proc/diskstats in a collection period.

    The path of the device name prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~).

  • Windows does not support this metric.

0-100%

ECS

5 minutes in average

Dimensions

Key

Value

instance_id

Specifies the ECS ID.

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