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 Agent Installation and Configuration.
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 Capacity.
Unit: Percent
- Linux: Obtain the metric value using the following formula: Disk Usage = Used Disk Space/Disk 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. |
